λ
Sigma Notebook

3,940,650

2 × 34 × 52 × 7 × 139
Abundant Even Composite

3,940,650 is even and not a perfect square. Its factorization is 2 × 3^4 × 5^2 × 7 × 139 and its 120 divisors sum to 12,603,360.

Prime Factor Structure

Factorization String 2 × 3^4 × 5^2 × 7 × 139
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 120
Divisor Sum (σ) 12,603,360
Proper Divisor Sum 8,662,710
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #3940637 ← → #3940663

Radix Representation

Decimal 3940650
Binary 1111000010000100101010 (22 bits)
Octal 0o17020452
Hexadecimal 0x3C212A

Divisor Catalog (60 of 120)

1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 126 135 139 150 162 175 189 210 225 270 278 315 350 378 405 417 450 525 567 630 675 695 810 834 945 973 1,050 1,134 1,251 1,350 1,390 1,575 1,890 1,946

Collatz Trajectory (185 steps to reach 1)

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

3,940,650 1,970,325 5,910,976 2,955,488 1,477,744 738,872 369,436 184,718 92,359 277,078 138,539 415,618 207,809 623,428 311,714 155,857 467,572 233,786 116,893 350,680 175,340 87,670 43,835 131,506 65,753 197,260 98,630 49,315 147,946 73,973 221,920 110,960 55,480 27,740 13,870 6,935 20,806 10,403 31,210 15,605 46,816 23,408 11,704 5,852 2,926 1,463 4,390 2,195 6,586 3,293 9,880 4,940 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695

More profiles

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