15,507,949

15507949

15,507,949 factors as 15507949. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 218 steps.

Prime Factor Structure

Factorization String 15507949

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 15,507,950

Proper Divisor Sum 1

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #15507941 ← → #15508013

Radix Representation

Decimal	15507949
Binary	111011001010000111101101 (24 bits)
Octal	0o73120755
Hexadecimal	0xECA1ED

Divisor Catalog (2)

1 15,507,949

Collatz Trajectory (218 steps to reach 1)

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

15,507,949 46,523,848 23,261,924 11,630,962 5,815,481 17,446,444 8,723,222 4,361,611 13,084,834 6,542,417 19,627,252 9,813,626 4,906,813 14,720,440 7,360,220 3,680,110 1,840,055 5,520,166 2,760,083 8,280,250 4,140,125 12,420,376 6,210,188 3,105,094 1,552,547 4,657,642 2,328,821 6,986,464 3,493,232 1,746,616 873,308 436,654 218,327 654,982 327,491 982,474 491,237 1,473,712 736,856 368,428 184,214 92,107 276,322 138,161 414,484 207,242 103,621 310,864 155,432 77,716 38,858 19,429 58,288 29,144 14,572 7,286 3,643 10,930 5,465 16,396

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