1,430,388

2² × 3² × 39733

1,430,388 has the prime decomposition 2^2 × 3^2 × 39733. Its 3 distinct prime factors produce 18 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3^2 × 39733

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 18

Divisor Sum (σ) 3,615,794

Proper Divisor Sum 2,185,406

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1430381 ← → #1430413

1 2 3 4 6 9 12 18 36 39,733 79,466 119,199 158,932 238,398 357,597 476,796 715,194 1,430,388

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

1,430,388 715,194 357,597 1,072,792 536,396 268,198 134,099 402,298 201,149 603,448 301,724 150,862 75,431 226,294 113,147 339,442 169,721 509,164 254,582 127,291 381,874 190,937 572,812 286,406 143,203 429,610 214,805 644,416 322,208 161,104 80,552 40,276 20,138 10,069 30,208 15,104 7,552 3,776 1,888 944 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44