387,100

2² × 5² × 7² × 79

Prime Factor Structure

Factorization String 2^2 × 5^2 × 7^2 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 54

Divisor Sum (σ) 989,520

Proper Divisor Sum 602,420

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #387089 ← → #387109

1 2 4 5 7 10 14 20 25 28 35 49 50 70 79 98 100 140 158 175 196 245 316 350 395 490 553 700 790 980 1,106 1,225 1,580 1,975 2,212 2,450 2,765 3,871 3,950 4,900 5,530 7,742 7,900 11,060 13,825 15,484 19,355 27,650 38,710 55,300 77,420 96,775 193,550 387,100

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

387,100 193,550 96,775 290,326 145,163 435,490 217,745 653,236 326,618 163,309 489,928 244,964 122,482 61,241 183,724 91,862 45,931 137,794 68,897 206,692 103,346 51,673 155,020 77,510 38,755 116,266 58,133 174,400 87,200 43,600 21,800 10,900 5,450 2,725 8,176 4,088 2,044 1,022 511 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762

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