390,816
25 × 32 × 23 × 59
Abundant
Even
Composite
390,816 is even and not a perfect square. Its factorization is 2^5 × 3^2 × 23 × 59 and its 72 divisors sum to 1,179,360.
Prime Factor Structure
Factorization String
2^5 × 3^2 × 23 × 59
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
72
Divisor Sum (σ)
1,179,360
Proper Divisor Sum
788,544
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#390809 ← → #390821
Radix Representation
| Decimal | 390816 |
| Binary | 1011111011010100000 (19 bits) |
| Octal | 0o1373240 |
| Hexadecimal | 0x5F6A0 |
Divisor Catalog (60 of 72)
Collatz Trajectory (161 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):