728,930
2 × 5 × 72893
Deficient
Even
Composite
728,930 has digital root 2. The neighboring primes are 728929 and 728941; its proper-divisor sum differs from the starting integer by -145,768.
Prime Factor Structure
Factorization String
2 × 5 × 72893
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
1,312,092
Proper Divisor Sum
583,162
Digit Sum / Digital Root
29 (Root: 2)
Adjacent Primes
#728929 ← → #728941
Radix Representation
| Decimal | 728930 |
| Binary | 10110001111101100010 (20 bits) |
| Octal | 0o2617542 |
| Hexadecimal | 0xB1F62 |
Divisor Catalog (8)
Collatz Trajectory (74 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):