2,500,390

2 × 5 × 61 × 4099

2,500,390 is even and not a perfect square. Its factorization is 2 × 5 × 61 × 4099 and its 16 divisors sum to 4,575,600.

Prime Factor Structure

Factorization String 2 × 5 × 61 × 4099

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 4,575,600

Proper Divisor Sum 2,075,210

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #2500363 ← → #2500403

1 2 5 10 61 122 305 610 4,099 8,198 20,495 40,990 250,039 500,078 1,250,195 2,500,390

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

2,500,390 1,250,195 3,750,586 1,875,293 5,625,880 2,812,940 1,406,470 703,235 2,109,706 1,054,853 3,164,560 1,582,280 791,140 395,570 197,785 593,356 296,678 148,339 445,018 222,509 667,528 333,764 166,882 83,441 250,324 125,162 62,581 187,744 93,872 46,936 23,468 11,734 5,867 17,602 8,801 26,404 13,202 6,601 19,804 9,902 4,951 14,854 7,427 22,282 11,141 33,424 16,712 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874