λ
Ratio Atlas

28,630,271

28630271
Deficient Odd Prime

28,630,271 factors as 28630271. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 237 steps.

Prime Factor Structure

Factorization String 28630271
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 28,630,272
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #28630241 ← → #28630297

Radix Representation

Decimal 28630271
Binary 1101101001101110011111111 (25 bits)
Octal 0o155156377
Hexadecimal 0x1B4DCFF

Divisor Catalog (2)

Collatz Trajectory (237 steps to reach 1)

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

28,630,271 85,890,814 42,945,407 128,836,222 64,418,111 193,254,334 96,627,167 289,881,502 144,940,751 434,822,254 217,411,127 652,233,382 326,116,691 978,350,074 489,175,037 1,467,525,112 733,762,556 366,881,278 183,440,639 550,321,918 275,160,959 825,482,878 412,741,439 1,238,224,318 619,112,159 1,857,336,478 928,668,239 2,786,004,718 1,393,002,359 4,179,007,078 2,089,503,539 6,268,510,618 3,134,255,309 9,402,765,928 4,701,382,964 2,350,691,482 1,175,345,741 3,526,037,224 1,763,018,612 881,509,306 440,754,653 1,322,263,960 661,131,980 330,565,990 165,282,995 495,848,986 247,924,493 743,773,480 371,886,740 185,943,370 92,971,685 278,915,056 139,457,528 69,728,764 34,864,382 17,432,191 52,296,574 26,148,287 78,444,862 39,222,431

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