λ
Ratio Atlas

72,089,132

22 × 1013 × 17791
Deficient Even Composite

72,089,132 factors as 2^2 × 1013 × 17791. Its 12 positive divisors give a proper-divisor sum of 54,198,484, so this integer is deficient. The Collatz stopping time is 197 steps.

Prime Factor Structure

Factorization String 2^2 × 1013 × 17791
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 126,287,616
Proper Divisor Sum 54,198,484
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #72089131 ← → #72089177

Radix Representation

Decimal 72089132
Binary 100010010111111111000101100 (27 bits)
Octal 0o422777054
Hexadecimal 0x44BFE2C

Divisor Catalog (12)

Collatz Trajectory (197 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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