2,788,391

17 × 164023

2,788,391 factors as 17 × 164023. Its 4 positive divisors give a proper-divisor sum of 164,041, so this integer is deficient. The Collatz stopping time is 138 steps.

Prime Factor Structure

Factorization String 17 × 164023

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,952,432

Proper Divisor Sum 164,041

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #2788367 ← → #2788393

Radix Representation

Decimal	2788391
Binary	1010101000110000100111 (22 bits)
Octal	0o12506047
Hexadecimal	0x2A8C27

Divisor Catalog (4)

1 17 164,023 2,788,391

Collatz Trajectory (138 steps to reach 1)

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

2,788,391 8,365,174 4,182,587 12,547,762 6,273,881 18,821,644 9,410,822 4,705,411 14,116,234 7,058,117 21,174,352 10,587,176 5,293,588 2,646,794 1,323,397 3,970,192 1,985,096 992,548 496,274 248,137 744,412 372,206 186,103 558,310 279,155 837,466 418,733 1,256,200 628,100 314,050 157,025 471,076 235,538 117,769 353,308 176,654 88,327 264,982 132,491 397,474 198,737 596,212 298,106 149,053 447,160 223,580 111,790 55,895 167,686 83,843 251,530 125,765 377,296 188,648 94,324 47,162 23,581 70,744 35,372 17,686

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