2,628,266

2 × 1314133

2,628,266 factors as 2 × 1314133. Its 4 positive divisors give a proper-divisor sum of 1,314,136, so this integer is deficient. The Collatz stopping time is 63 steps.

Prime Factor Structure

Factorization String 2 × 1314133

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,942,402

Proper Divisor Sum 1,314,136

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2628229 ← → #2628277

Radix Representation

Decimal	2628266
Binary	1010000001101010101010 (22 bits)
Octal	0o12015252
Hexadecimal	0x281AAA

Divisor Catalog (4)

1 2 1,314,133 2,628,266

Collatz Trajectory (63 steps to reach 1)

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

2,628,266 1,314,133 3,942,400 1,971,200 985,600 492,800 246,400 123,200 61,600 30,800 15,400 7,700 3,850 1,925 5,776 2,888 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16

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