λ
Ratio Atlas

2,187,604

22 × 487 × 1123
Deficient Even Composite

2,187,604 factors as 2^2 × 487 × 1123. Its 12 positive divisors give a proper-divisor sum of 1,651,980, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 2^2 × 487 × 1123
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,839,584
Proper Divisor Sum 1,651,980
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #2187587 ← → #2187613

Radix Representation

Decimal 2187604
Binary 1000010110000101010100 (22 bits)
Octal 0o10260524
Hexadecimal 0x216154

Divisor Catalog (12)

Collatz Trajectory (135 steps to reach 1)

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

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