λ
Sigma Notebook

3,748,830

2 × 3 × 5 × 29 × 31 × 139
Abundant Even Composite

3,748,830 is even and not a perfect square. Its factorization is 2 × 3 × 5 × 29 × 31 × 139 and its 64 divisors sum to 9,676,800.

Prime Factor Structure

Factorization String 2 × 3 × 5 × 29 × 31 × 139
Distinct Prime Factors 6
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 64
Divisor Sum (σ) 9,676,800
Proper Divisor Sum 5,927,970
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #3748819 ← → #3748831

Radix Representation

Decimal 3748830
Binary 1110010011001111011110 (22 bits)
Octal 0o16231736
Hexadecimal 0x3933DE

Divisor Catalog (60 of 64)

1 2 3 5 6 10 15 29 30 31 58 62 87 93 139 145 155 174 186 278 290 310 417 435 465 695 834 870 899 930 1,390 1,798 2,085 2,697 4,031 4,170 4,309 4,495 5,394 8,062 8,618 8,990 12,093 12,927 13,485 20,155 21,545 24,186 25,854 26,970 40,310 43,090 60,465 64,635 120,930 124,961 129,270 249,922 374,883 624,805

Collatz Trajectory (185 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

3,748,830 1,874,415 5,623,246 2,811,623 8,434,870 4,217,435 12,652,306 6,326,153 18,978,460 9,489,230 4,744,615 14,233,846 7,116,923 21,350,770 10,675,385 32,026,156 16,013,078 8,006,539 24,019,618 12,009,809 36,029,428 18,014,714 9,007,357 27,022,072 13,511,036 6,755,518 3,377,759 10,133,278 5,066,639 15,199,918 7,599,959 22,799,878 11,399,939 34,199,818 17,099,909 51,299,728 25,649,864 12,824,932 6,412,466 3,206,233 9,618,700 4,809,350 2,404,675 7,214,026 3,607,013 10,821,040 5,410,520 2,705,260 1,352,630 676,315 2,028,946 1,014,473 3,043,420 1,521,710 760,855 2,282,566 1,141,283 3,423,850 1,711,925 5,135,776

More profiles

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