λ
Zalai Atlas

1,520,788

22 × 380197
Deficient Even Composite

1,520,788 has the prime decomposition 2^2 × 380197. Its 2 distinct prime factors produce 6 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 380197
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 2,661,386
Proper Divisor Sum 1,140,598
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #1520777 ← → #1520801

Radix Representation

Decimal 1520788
Binary 101110011010010010100 (21 bits)
Octal 0o5632224
Hexadecimal 0x173494

Divisor Catalog (5 of 6)

1 2 4 380,197 760,394

Collatz Trajectory (106 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.

1,520,788 760,394 380,197 1,140,592 570,296

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