1,520,602

2 × 760301

For 1,520,602, the 4 positive divisors have a total of 2,280,906. Removing 1,520,602 leaves 760,304, which gives the deficient classification.

Prime Factor Structure

Factorization String 2 × 760301

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 2,280,906

Proper Divisor Sum 760,304

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1520587 ← → #1520611

1 2 760,301 1,520,602

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

1,520,602 760,301 2,280,904 1,140,452 570,226 285,113 855,340 427,670 213,835 641,506 320,753 962,260 481,130 240,565 721,696 360,848 180,424 90,212 45,106 22,553 67,660 33,830 16,915 50,746 25,373 76,120 38,060 19,030 9,515 28,546 14,273 42,820 21,410 10,705 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034 4,517 13,552 6,776 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610

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