2² × 5 × 19 × 37²

Prime Factor Structure

Factorization String 2^2 × 5 × 19 × 37^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,181,880

Proper Divisor Sum 661,660

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #520213 ← → #520241

1 2 4 5 10 19 20 37 38 74 76 95 148 185 190 370 380 703 740 1,369 1,406 2,738 2,812 3,515 5,476 6,845 7,030 13,690 14,060 26,011 27,380 52,022 104,044 130,055 260,110 520,220

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

520,220 260,110 130,055 390,166 195,083 585,250 292,625 877,876 438,938 219,469 658,408 329,204 164,602 82,301 246,904 123,452 61,726 30,863 92,590 46,295 138,886 69,443 208,330 104,165 312,496 156,248 78,124 39,062 19,531 58,594 29,297 87,892 43,946 21,973 65,920 32,960 16,480 8,240 4,120 2,060 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94

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