15,465,840

2⁴ × 3 × 5 × 13 × 4957

Prime Factor Structure

Factorization String 2^4 × 3 × 5 × 13 × 4957

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 51,642,528

Proper Divisor Sum 36,176,688

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #15465839 ← → #15465871

1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1,040 1,560 3,120 4,957 9,914 14,871 19,828 24,785 29,742 39,656 49,570 59,484 64,441 74,355 79,312 99,140 118,968 128,882 148,710 193,323 198,280 237,936 257,764

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

15,465,840 7,732,920 3,866,460 1,933,230 966,615 2,899,846 1,449,923 4,349,770 2,174,885 6,524,656 3,262,328 1,631,164 815,582 407,791 1,223,374 611,687 1,835,062 917,531 2,752,594 1,376,297 4,128,892 2,064,446 1,032,223 3,096,670 1,548,335 4,645,006 2,322,503 6,967,510 3,483,755 10,451,266 5,225,633 15,676,900 7,838,450 3,919,225 11,757,676 5,878,838 2,939,419 8,818,258 4,409,129 13,227,388 6,613,694 3,306,847 9,920,542 4,960,271 14,880,814 7,440,407 22,321,222 11,160,611 33,481,834 16,740,917 50,222,752 25,111,376 12,555,688 6,277,844 3,138,922 1,569,461 4,708,384 2,354,192 1,177,096 588,548

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