2,631,490

2 × 5 × 79 × 3331

2,631,490 factors as 2 × 5 × 79 × 3331. Its 16 positive divisors give a proper-divisor sum of 2,166,590, so this integer is deficient. The Collatz stopping time is 125 steps.

Prime Factor Structure

Factorization String 2 × 5 × 79 × 3331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,798,080

Proper Divisor Sum 2,166,590

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2631487 ← → #2631493

Radix Representation

Decimal	2631490
Binary	1010000010011101000010 (22 bits)
Octal	0o12023502
Hexadecimal	0x282742

Divisor Catalog (16)

1 2 5 10 79 158 395 790 3,331 6,662 16,655 33,310 263,149 526,298 1,315,745 2,631,490

Collatz Trajectory (125 steps to reach 1)

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

2,631,490 1,315,745 3,947,236 1,973,618 986,809 2,960,428 1,480,214 740,107 2,220,322 1,110,161 3,330,484 1,665,242 832,621 2,497,864 1,248,932 624,466 312,233 936,700 468,350 234,175 702,526 351,263 1,053,790 526,895 1,580,686 790,343 2,371,030 1,185,515 3,556,546 1,778,273 5,334,820 2,667,410 1,333,705 4,001,116 2,000,558 1,000,279 3,000,838 1,500,419 4,501,258 2,250,629 6,751,888 3,375,944 1,687,972 843,986 421,993 1,265,980 632,990 316,495 949,486 474,743 1,424,230 712,115 2,136,346 1,068,173 3,204,520 1,602,260 801,130 400,565 1,201,696 600,848

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