λ
Ratio Atlas

1,634,645

5 × 43 × 7603
Deficient Odd Composite

1,634,645 factors as 5 × 43 × 7603. Its 8 positive divisors give a proper-divisor sum of 372,811, so this integer is deficient. The Collatz stopping time is 132 steps.

Prime Factor Structure

Factorization String 5 × 43 × 7603
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,007,456
Proper Divisor Sum 372,811
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1634609 ← → #1634657

Radix Representation

Decimal 1634645
Binary 110001111000101010101 (21 bits)
Octal 0o6170525
Hexadecimal 0x18F155

Divisor Catalog (8)

Collatz Trajectory (132 steps to reach 1)

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

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