472,140

2² × 3² × 5 × 43 × 61

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 43 × 61

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 1,489,488

Proper Divisor Sum 1,017,348

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #472139 ← → #472151

1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 60 61 86 90 122 129 172 180 183 215 244 258 305 366 387 430 516 549 610 645 732 774 860 915 1,098 1,220 1,290 1,548 1,830 1,935 2,196 2,580 2,623 2,745 3,660 3,870 5,246 5,490 7,740 7,869 10,492 10,980 13,115 15,738

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

472,140 236,070 118,035 354,106 177,053 531,160 265,580 132,790 66,395 199,186 99,593 298,780 149,390 74,695 224,086 112,043 336,130 168,065 504,196 252,098 126,049 378,148 189,074 94,537 283,612 141,806 70,903 212,710 106,355 319,066 159,533 478,600 239,300 119,650 59,825 179,476 89,738 44,869 134,608 67,304 33,652 16,826 8,413 25,240 12,620 6,310 3,155 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980

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