628,720

2⁴ × 5 × 29 × 271

Prime Factor Structure

Factorization String 2^4 × 5 × 29 × 271

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 40

Divisor Sum (σ) 1,517,760

Proper Divisor Sum 889,040

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #628709 ← → #628721

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

628,720 314,360 157,180 78,590 39,295 117,886 58,943 176,830 88,415 265,246 132,623 397,870 198,935 596,806 298,403 895,210 447,605 1,342,816 671,408 335,704 167,852 83,926 41,963 125,890 62,945 188,836 94,418 47,209 141,628 70,814 35,407 106,222 53,111 159,334 79,667 239,002 119,501 358,504 179,252 89,626 44,813 134,440 67,220 33,610 16,805 50,416 25,208 12,604 6,302 3,151 9,454 4,727 14,182 7,091 21,274 10,637 31,912 15,956 7,978 3,989

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