628,489
41 × 15329
Deficient
Odd
Composite
628,489 factors as 41 × 15329. Its 4 positive divisors give a proper-divisor sum of 15,371, so this integer is deficient. The Collatz stopping time is 115 steps.
Resources
Prime Factor Structure
Factorization String
41 × 15329
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
643,860
Proper Divisor Sum
15,371
Digit Sum / Digital Root
37 (Root: 1)
Adjacent Primes
#628487 ← → #628493
Radix Representation
| Decimal | 628489 |
| Binary | 10011001011100001001 (20 bits) |
| Octal | 0o2313411 |
| Hexadecimal | 0x99709 |
Divisor Catalog (4)
Collatz Trajectory (115 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.