3,621,639
3 × 72 × 71 × 347
Deficient
Odd
Composite
3,621,639 factors as 3 × 7^2 × 71 × 347. Its 24 positive divisors give a proper-divisor sum of 2,091,129, so this integer is deficient. The Collatz stopping time is 141 steps.
Resources
Prime Factor Structure
Factorization String
3 × 7^2 × 71 × 347
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
24
Divisor Sum (σ)
5,712,768
Proper Divisor Sum
2,091,129
Digit Sum / Digital Root
30 (Root: 3)
Adjacent Primes
#3621623 ← → #3621643
Radix Representation
| Decimal | 3621639 |
| Binary | 1101110100001100000111 (22 bits) |
| Octal | 0o15641407 |
| Hexadecimal | 0x374307 |
Divisor Catalog (5 of 24)
Collatz Trajectory (141 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.