1,531,300

2² × 5² × 15313

Prime Factor Structure

Factorization String 2^2 × 5^2 × 15313

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 18

Divisor Sum (σ) 3,323,138

Proper Divisor Sum 1,791,838

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #1531297 ← → #1531303

1 2 4 5 10 20 25 50 100 15,313 30,626 61,252 76,565 153,130 306,260 382,825 765,650 1,531,300

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

1,531,300 765,650 382,825 1,148,476 574,238 287,119 861,358 430,679 1,292,038 646,019 1,938,058 969,029 2,907,088 1,453,544 726,772 363,386 181,693 545,080 272,540 136,270 68,135 204,406 102,203 306,610 153,305 459,916 229,958 114,979 344,938 172,469 517,408 258,704 129,352 64,676 32,338 16,169 48,508 24,254 12,127 36,382 18,191 54,574 27,287 81,862 40,931 122,794 61,397 184,192 92,096 46,048 23,024 11,512 5,756 2,878 1,439 4,318 2,159 6,478 3,239 9,718

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