λ
Ratio Atlas

2,189,489

73 × 89 × 337
Deficient Odd Composite

2,189,489 factors as 73 × 89 × 337. Its 8 positive divisors give a proper-divisor sum of 61,591, so this integer is deficient. The Collatz stopping time is 86 steps.

Prime Factor Structure

Factorization String 73 × 89 × 337
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,251,080
Proper Divisor Sum 61,591
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #2189477 ← → #2189491

Radix Representation

Decimal 2189489
Binary 1000010110100010110001 (22 bits)
Octal 0o10264261
Hexadecimal 0x2168B1

Divisor Catalog (8)

Collatz Trajectory (86 steps to reach 1)

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

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