1,389,078
2 × 32 × 77171
Abundant
Even
Composite
1,389,078 factors as 2 × 3^2 × 77171. Its 12 positive divisors give a proper-divisor sum of 1,620,630, so this integer is abundant. The Collatz stopping time is 80 steps.
Resources
Prime Factor Structure
Factorization String
2 × 3^2 × 77171
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
3,009,708
Proper Divisor Sum
1,620,630
Digit Sum / Digital Root
36 (Root: 9)
Adjacent Primes
#1389007 ← → #1389083
Radix Representation
| Decimal | 1389078 |
| Binary | 101010011001000010110 (21 bits) |
| Octal | 0o5231026 |
| Hexadecimal | 0x153216 |
Divisor Catalog (5 of 12)
Collatz Trajectory (80 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.