1,520,925

3 × 5² × 7 × 2897

For 1,520,925, the 24 positive divisors have a total of 2,874,816. Removing 1,520,925 leaves 1,353,891, which gives the deficient classification.

Prime Factor Structure

Factorization String 3 × 5^2 × 7 × 2897

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 2,874,816

Proper Divisor Sum 1,353,891

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1520923 ← → #1520947

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

1,520,925 4,562,776 2,281,388 1,140,694 570,347 1,711,042 855,521 2,566,564 1,283,282 641,641 1,924,924 962,462 481,231 1,443,694 721,847 2,165,542 1,082,771 3,248,314 1,624,157 4,872,472 2,436,236 1,218,118 609,059 1,827,178 913,589 2,740,768 1,370,384 685,192 342,596 171,298 85,649 256,948 128,474 64,237 192,712 96,356 48,178 24,089 72,268 36,134 18,067 54,202 27,101 81,304 40,652 20,326 10,163 30,490 15,245 45,736 22,868 11,434 5,717 17,152 8,576 4,288 2,144 1,072 536 268

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