520,472

2³ × 17 × 43 × 89

Prime Factor Structure

Factorization String 2^3 × 17 × 43 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 1,069,200

Proper Divisor Sum 548,728

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #520451 ← → #520529

1 2 4 8 17 34 43 68 86 89 136 172 178 344 356 712 731 1,462 1,513 2,924 3,026 3,827 5,848 6,052 7,654 12,104 15,308 30,616 65,059 130,118 260,236 520,472

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

520,472 260,236 130,118 65,059 195,178 97,589 292,768 146,384 73,192 36,596 18,298 9,149 27,448 13,724 6,862 3,431 10,294 5,147 15,442 7,721 23,164 11,582 5,791 17,374 8,687 26,062 13,031 39,094 19,547 58,642 29,321 87,964 43,982 21,991 65,974 32,987 98,962 49,481 148,444 74,222 37,111 111,334 55,667 167,002 83,501 250,504 125,252 62,626 31,313 93,940 46,970 23,485 70,456 35,228 17,614 8,807 26,422 13,211 39,634 19,817

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