λ
Ratio Atlas

28,295,789

28295789
Deficient Odd Prime

28,295,789 factors as 28295789. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 175 steps.

Prime Factor Structure

Factorization String 28295789
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 28,295,790
Proper Divisor Sum 1
Digit Sum / Digital Root 50 (Root: 5)
Adjacent Primes #28295767 ← → #28295821

Radix Representation

Decimal 28295789
Binary 1101011111100001001101101 (25 bits)
Octal 0o153741155
Hexadecimal 0x1AFC26D

Divisor Catalog (2)

Collatz Trajectory (175 steps to reach 1)

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

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