λ
Harmonic Matrix

3,520,280

23 × 5 × 88007
Abundant Even Composite

3,520,280 has digital root 2. The neighboring primes are 3520261 and 3520303; its proper-divisor sum differs from the starting integer by 880,160.

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Prime Factor Structure

Factorization String 2^3 × 5 × 88007
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 7,920,720
Proper Divisor Sum 4,400,440
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #3520261 ← → #3520303

Radix Representation

Decimal 3520280
Binary 1101011011011100011000 (22 bits)
Octal 0o15333430
Hexadecimal 0x35B718

Divisor Catalog (5 of 16)

1 2 4 5 8

Collatz Trajectory (97 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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