2,649,667

149 × 17783

2,649,667 factors as 149 × 17783. Its 4 positive divisors give a proper-divisor sum of 17,933, so this integer is deficient. The Collatz stopping time is 143 steps.

Prime Factor Structure

Factorization String 149 × 17783

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,667,600

Proper Divisor Sum 17,933

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2649613 ← → #2649677

Radix Representation

Decimal	2649667
Binary	1010000110111001000011 (22 bits)
Octal	0o12067103
Hexadecimal	0x286E43

Divisor Catalog (4)

1 149 17,783 2,649,667

Collatz Trajectory (143 steps to reach 1)

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

2,649,667 7,949,002 3,974,501 11,923,504 5,961,752 2,980,876 1,490,438 745,219 2,235,658 1,117,829 3,353,488 1,676,744 838,372 419,186 209,593 628,780 314,390 157,195 471,586 235,793 707,380 353,690 176,845 530,536 265,268 132,634 66,317 198,952 99,476 49,738 24,869 74,608 37,304 18,652 9,326 4,663 13,990 6,995 20,986 10,493 31,480 15,740 7,870 3,935 11,806 5,903 17,710 8,855 26,566 13,283 39,850 19,925 59,776 29,888 14,944 7,472 3,736 1,868 934 467

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