λ
Integer Codex

2,650,687

13 × 29 × 79 × 89
Deficient Odd Composite

For 2,650,687, the 16 positive divisors have a total of 3,024,000. Removing 2,650,687 leaves 373,313, which gives the deficient classification.

Prime Factor Structure

Factorization String 13 × 29 × 79 × 89
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,024,000
Proper Divisor Sum 373,313
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2650667 ← → #2650699

Radix Representation

Decimal 2650687
Binary 1010000111001000111111 (22 bits)
Octal 0o12071077
Hexadecimal 0x28723F

Divisor Catalog (16)

1 13 29 79 89 377 1,027 1,157 2,291 2,581 7,031 29,783 33,553 91,403 203,899 2,650,687

Collatz Trajectory (125 steps to reach 1)

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

2,650,687 7,952,062 3,976,031 11,928,094 5,964,047 17,892,142 8,946,071 26,838,214 13,419,107 40,257,322 20,128,661 60,385,984 30,192,992 15,096,496 7,548,248 3,774,124 1,887,062 943,531 2,830,594 1,415,297 4,245,892 2,122,946 1,061,473 3,184,420 1,592,210 796,105 2,388,316 1,194,158 597,079 1,791,238 895,619 2,686,858 1,343,429 4,030,288 2,015,144 1,007,572 503,786 251,893 755,680 377,840 188,920 94,460 47,230 23,615 70,846 35,423 106,270 53,135 159,406 79,703 239,110 119,555 358,666 179,333 538,000 269,000 134,500 67,250 33,625 100,876

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