7,724,647

7 × 17 × 139 × 467

For 7,724,647, the 16 positive divisors have a total of 9,434,880. Removing 7,724,647 leaves 1,710,233, which gives the deficient classification.

Prime Factor Structure

Factorization String 7 × 17 × 139 × 467

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 9,434,880

Proper Divisor Sum 1,710,233

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #7724627 ← → #7724663

1 7 17 119 139 467 973 2,363 3,269 7,939 16,541 55,573 64,913 454,391 1,103,521 7,724,647

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

7,724,647 23,173,942 11,586,971 34,760,914 17,380,457 52,141,372 26,070,686 13,035,343 39,106,030 19,553,015 58,659,046 29,329,523 87,988,570 43,994,285 131,982,856 65,991,428 32,995,714 16,497,857 49,493,572 24,746,786 12,373,393 37,120,180 18,560,090 9,280,045 27,840,136 13,920,068 6,960,034 3,480,017 10,440,052 5,220,026 2,610,013 7,830,040 3,915,020 1,957,510 978,755 2,936,266 1,468,133 4,404,400 2,202,200 1,101,100 550,550 275,275 825,826 412,913 1,238,740 619,370 309,685 929,056 464,528 232,264 116,132 58,066 29,033 87,100 43,550 21,775 65,326 32,663 97,990 48,995

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