72,802,470

2 × 3 × 5 × 13 × 29 × 41 × 157

Prime Factor Structure

Factorization String 2 × 3 × 5 × 13 × 29 × 41 × 157

Distinct Prime Factors 7

Square Status No

Abundance Measure Abundant

Total Divisors 128

Divisor Sum (σ) 200,672,640

Proper Divisor Sum 127,870,170

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #72802469 ← → #72802493

1 2 3 5 6 10 13 15 26 29 30 39 41 58 65 78 82 87 123 130 145 157 174 195 205 246 290 314 377 390 410 435 471 533 615 754 785 870 942 1,066 1,131 1,189 1,230 1,570 1,599 1,885 2,041 2,262 2,355 2,378 2,665 3,198 3,567 3,770 4,082 4,553 4,710 5,330 5,655 5,945

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

72,802,470 36,401,235 109,203,706 54,601,853 163,805,560 81,902,780 40,951,390 20,475,695 61,427,086 30,713,543 92,140,630 46,070,315 138,210,946 69,105,473 207,316,420 103,658,210 51,829,105 155,487,316 77,743,658 38,871,829 116,615,488 58,307,744 29,153,872 14,576,936 7,288,468 3,644,234 1,822,117 5,466,352 2,733,176 1,366,588 683,294 341,647 1,024,942 512,471 1,537,414 768,707 2,306,122 1,153,061 3,459,184 1,729,592 864,796 432,398 216,199 648,598 324,299 972,898 486,449 1,459,348 729,674 364,837 1,094,512 547,256 273,628 136,814 68,407 205,222 102,611 307,834 153,917 461,752

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