λ
Sigma Notebook

1,948,178

2 × 974089
Deficient Even Composite

1,948,178 is even and not a perfect square. Its factorization is 2 × 974089 and its 4 divisors sum to 2,922,270.

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Prime Factor Structure

Factorization String 2 × 974089
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,922,270
Proper Divisor Sum 974,092
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #1948171 ← → #1948181

Radix Representation

Decimal 1948178
Binary 111011011101000010010 (21 bits)
Octal 0o7335022
Hexadecimal 0x1DBA12

Divisor Catalog (4)

Collatz Trajectory (171 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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