2,505,515

5 × 501103

2,505,515 factors as 5 × 501103. Its 4 positive divisors give a proper-divisor sum of 501,109, so this integer is deficient. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 5 × 501103

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,006,624

Proper Divisor Sum 501,109

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #2505499 ← → #2505527

Radix Representation

Decimal	2505515
Binary	1001100011101100101011 (22 bits)
Octal	0o11435453
Hexadecimal	0x263B2B

Divisor Catalog (4)

1 5 501,103 2,505,515

Collatz Trajectory (187 steps to reach 1)

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

2,505,515 7,516,546 3,758,273 11,274,820 5,637,410 2,818,705 8,456,116 4,228,058 2,114,029 6,342,088 3,171,044 1,585,522 792,761 2,378,284 1,189,142 594,571 1,783,714 891,857 2,675,572 1,337,786 668,893 2,006,680 1,003,340 501,670 250,835 752,506 376,253 1,128,760 564,380 282,190 141,095 423,286 211,643 634,930 317,465 952,396 476,198 238,099 714,298 357,149 1,071,448 535,724 267,862 133,931 401,794 200,897 602,692 301,346 150,673 452,020 226,010 113,005 339,016 169,508 84,754 42,377 127,132 63,566 31,783 95,350

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