λ
Sigma Notebook

4,028,790

2 × 3 × 5 × 134293
Abundant Even Composite

4,028,790 is even and not a perfect square. Its factorization is 2 × 3 × 5 × 134293 and its 16 divisors sum to 9,669,168.

Prime Factor Structure

Factorization String 2 × 3 × 5 × 134293
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 9,669,168
Proper Divisor Sum 5,640,378
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #4028771 ← → #4028807

Radix Representation

Decimal 4028790
Binary 1111010111100101110110 (22 bits)
Octal 0o17274566
Hexadecimal 0x3D7976

Divisor Catalog (16)

1 2 3 5 6 10 15 30 134,293 268,586 402,879 671,465 805,758 1,342,930 2,014,395 4,028,790

Collatz Trajectory (97 steps to reach 1)

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

4,028,790 2,014,395 6,043,186 3,021,593 9,064,780 4,532,390 2,266,195 6,798,586 3,399,293 10,197,880 5,098,940 2,549,470 1,274,735 3,824,206 1,912,103 5,736,310 2,868,155 8,604,466 4,302,233 12,906,700 6,453,350 3,226,675 9,680,026 4,840,013 14,520,040 7,260,020 3,630,010 1,815,005 5,445,016 2,722,508 1,361,254 680,627 2,041,882 1,020,941 3,062,824 1,531,412 765,706 382,853 1,148,560 574,280 287,140 143,570 71,785 215,356 107,678 53,839 161,518 80,759 242,278 121,139 363,418 181,709 545,128 272,564 136,282 68,141 204,424 102,212 51,106 25,553

More profiles

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