1,780,742
2 × 890371
Deficient
Even
Composite
For 1,780,742, the 4 positive divisors have a total of 2,671,116. Removing 1,780,742 leaves 890,374, which gives the deficient classification.
Resources
Prime Factor Structure
Factorization String
2 × 890371
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
2,671,116
Proper Divisor Sum
890,374
Digit Sum / Digital Root
29 (Root: 2)
Adjacent Primes
#1780717 ← → #1780771
Radix Representation
| Decimal | 1780742 |
| Binary | 110110010110000000110 (21 bits) |
| Octal | 0o6626006 |
| Hexadecimal | 0x1B2C06 |
Divisor Catalog (4)
Collatz Trajectory (96 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.