λ
Ratio Atlas

30,728,686

2 × 15364343
Deficient Even Composite

30,728,686 factors as 2 × 15364343. Its 4 positive divisors give a proper-divisor sum of 15,364,346, so this integer is deficient. The Collatz stopping time is 126 steps.

Prime Factor Structure

Factorization String 2 × 15364343
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 46,093,032
Proper Divisor Sum 15,364,346
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #30728669 ← → #30728699

Radix Representation

Decimal 30728686
Binary 1110101001110000111101110 (25 bits)
Octal 0o165160756
Hexadecimal 0x1D4E1EE

Divisor Catalog (4)

Collatz Trajectory (126 steps to reach 1)

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

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