1,251,400

2³ × 5² × 6257

For 1,251,400, the 24 positive divisors have a total of 2,909,970. Removing 1,251,400 leaves 1,658,570, which gives the abundant classification.

Prime Factor Structure

Factorization String 2^3 × 5^2 × 6257

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 2,909,970

Proper Divisor Sum 1,658,570

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #1251329 ← → #1251409

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

1,251,400 625,700 312,850 156,425 469,276 234,638 117,319 351,958 175,979 527,938 263,969 791,908 395,954 197,977 593,932 296,966 148,483 445,450 222,725 668,176 334,088 167,044 83,522 41,761 125,284 62,642 31,321 93,964 46,982 23,491 70,474 35,237 105,712 52,856 26,428 13,214 6,607 19,822 9,911 29,734 14,867 44,602 22,301 66,904 33,452 16,726 8,363 25,090 12,545 37,636 18,818 9,409 28,228 14,114 7,057 21,172 10,586 5,293 15,880 7,940