1,622,398

2 × 811199

For 1,622,398, the 4 positive divisors have a total of 2,433,600. Removing 1,622,398 leaves 811,202, which gives the deficient classification.

Prime Factor Structure

Factorization String 2 × 811199

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 2,433,600

Proper Divisor Sum 811,202

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1622377 ← → #1622407

1 2 811,199 1,622,398

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

1,622,398 811,199 2,433,598 1,216,799 3,650,398 1,825,199 5,475,598 2,737,799 8,213,398 4,106,699 12,320,098 6,160,049 18,480,148 9,240,074 4,620,037 13,860,112 6,930,056 3,465,028 1,732,514 866,257 2,598,772 1,299,386 649,693 1,949,080 974,540 487,270 243,635 730,906 365,453 1,096,360 548,180 274,090 137,045 411,136 205,568 102,784 51,392 25,696 12,848 6,424 3,212 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128 64 32 16 8

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