2² × 5² × 19 × 353

Prime Factor Structure

Factorization String 2^2 × 5^2 × 19 × 353

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,536,360

Proper Divisor Sum 865,660

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #670693 ← → #670711

1 2 4 5 10 19 20 25 38 50 76 95 100 190 353 380 475 706 950 1,412 1,765 1,900 3,530 6,707 7,060 8,825 13,414 17,650 26,828 33,535 35,300 67,070 134,140 167,675 335,350 670,700

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

670,700 335,350 167,675 503,026 251,513 754,540 377,270 188,635 565,906 282,953 848,860 424,430 212,215 636,646 318,323 954,970 477,485 1,432,456 716,228 358,114 179,057 537,172 268,586 134,293 402,880 201,440 100,720 50,360 25,180 12,590 6,295 18,886 9,443 28,330 14,165 42,496 21,248 10,624 5,312 2,656 1,328 664 332 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121

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