2,649,825

3² × 5² × 11777

2,649,825 has the prime decomposition 3^2 × 5^2 × 11777. Its 3 distinct prime factors produce 18 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 5^2 × 11777

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 4,746,534

Proper Divisor Sum 2,096,709

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #2649821 ← → #2649851

1 3 5 9 15 25 45 75 225 11,777 35,331 58,885 105,993 176,655 294,425 529,965 883,275 2,649,825

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

2,649,825 7,949,476 3,974,738 1,987,369 5,962,108 2,981,054 1,490,527 4,471,582 2,235,791 6,707,374 3,353,687 10,061,062 5,030,531 15,091,594 7,545,797 22,637,392 11,318,696 5,659,348 2,829,674 1,414,837 4,244,512 2,122,256 1,061,128 530,564 265,282 132,641 397,924 198,962 99,481 298,444 149,222 74,611 223,834 111,917 335,752 167,876 83,938 41,969 125,908 62,954 31,477 94,432 47,216 23,608 11,804 5,902 2,951 8,854 4,427 13,282 6,641 19,924 9,962 4,981 14,944 7,472 3,736 1,868 934 467