λ
Ratio Atlas

77,019,172

22 × 19254793
Deficient Even Composite

77,019,172 factors as 2^2 × 19254793. Its 6 positive divisors give a proper-divisor sum of 57,764,386, so this integer is deficient. The Collatz stopping time is 148 steps.

Prime Factor Structure

Factorization String 2^2 × 19254793
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 134,783,558
Proper Divisor Sum 57,764,386
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #77019139 ← → #77019193

Radix Representation

Decimal 77019172
Binary 100100101110011100000100100 (27 bits)
Octal 0o445634044
Hexadecimal 0x4973824

Divisor Catalog (6)

Collatz Trajectory (148 steps to reach 1)

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

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