λ
Ratio Atlas

1,985,450

2 × 52 × 39709
Deficient Even Composite

1,985,450 factors as 2 × 5^2 × 39709. Its 12 positive divisors give a proper-divisor sum of 1,707,580, so this integer is deficient. The Collatz stopping time is 60 steps.

Prime Factor Structure

Factorization String 2 × 5^2 × 39709
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,693,030
Proper Divisor Sum 1,707,580
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1985441 ← → #1985453

Radix Representation

Decimal 1985450
Binary 111100100101110101010 (21 bits)
Octal 0o7445652
Hexadecimal 0x1E4BAA

Divisor Catalog (12)

Collatz Trajectory (60 steps to reach 1)

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

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