2,820,149

263 × 10723

2,820,149 factors as 263 × 10723. Its 4 positive divisors give a proper-divisor sum of 10,987, so this integer is deficient. The Collatz stopping time is 76 steps.

Prime Factor Structure

Factorization String 263 × 10723

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,831,136

Proper Divisor Sum 10,987

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2820131 ← → #2820179

Radix Representation

Decimal	2820149
Binary	1010110000100000110101 (22 bits)
Octal	0o12604065
Hexadecimal	0x2B0835

Divisor Catalog (4)

1 263 10,723 2,820,149

Collatz Trajectory (76 steps to reach 1)

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

2,820,149 8,460,448 4,230,224 2,115,112 1,057,556 528,778 264,389 793,168 396,584 198,292 99,146 49,573 148,720 74,360 37,180 18,590 9,295 27,886 13,943 41,830 20,915 62,746 31,373 94,120 47,060 23,530 11,765 35,296 17,648 8,824 4,412 2,206 1,103 3,310 1,655 4,966 2,483 7,450 3,725 11,176 5,588 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14

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