λ
Ratio Atlas

25,878,619

13 × 89 × 22367
Deficient Odd Composite

25,878,619 factors as 13 × 89 × 22367. Its 8 positive divisors give a proper-divisor sum of 2,305,061, so this integer is deficient. The Collatz stopping time is 304 steps.

Prime Factor Structure

Factorization String 13 × 89 × 22367
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 28,183,680
Proper Divisor Sum 2,305,061
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #25878617 ← → #25878631

Radix Representation

Decimal 25878619
Binary 1100010101110000001011011 (25 bits)
Octal 0o142560133
Hexadecimal 0x18AE05B

Divisor Catalog (8)

Collatz Trajectory (304 steps to reach 1)

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

25,878,619 77,635,858 38,817,929 116,453,788 58,226,894 29,113,447 87,340,342 43,670,171 131,010,514 65,505,257 196,515,772 98,257,886 49,128,943 147,386,830 73,693,415 221,080,246 110,540,123 331,620,370 165,810,185 497,430,556 248,715,278 124,357,639 373,072,918 186,536,459 559,609,378 279,804,689 839,414,068 419,707,034 209,853,517 629,560,552 314,780,276 157,390,138 78,695,069 236,085,208 118,042,604 59,021,302 29,510,651 88,531,954 44,265,977 132,797,932 66,398,966 33,199,483 99,598,450 49,799,225 149,397,676 74,698,838 37,349,419 112,048,258 56,024,129 168,072,388 84,036,194 42,018,097 126,054,292 63,027,146 31,513,573 94,540,720 47,270,360 23,635,180 11,817,590 5,908,795

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