2,490,880

2⁹ × 5 × 7 × 139

Prime Factor Structure

Factorization String 2^9 × 5 × 7 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 6,874,560

Proper Divisor Sum 4,383,680

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2490869 ← → #2490889

1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 139 140 160 224 256 278 280 320 448 512 556 560 640 695 896 973 1,112 1,120 1,280 1,390 1,792 1,946 2,224 2,240 2,560 2,780 3,584 3,892 4,448 4,480 4,865 5,560 7,784 8,896 8,960 9,730 11,120 15,568 17,792 17,920

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

2,490,880 1,245,440 622,720 311,360 155,680 77,840 38,920 19,460 9,730 4,865 14,596 7,298 3,649 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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