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255641542 = 213192332221
BaseRepresentation
bin11110011110011…
…00011111000110
3122211000221021021
433033030133012
51010421012132
641211141354
76222626422
oct1717143706
9584027237
10255641542
11121337302
127174485a
1340c694b0
1425d47b82
151769a997
hexf3cc7c6

255641542 has 32 divisors (see below), whose sum is σ = 436756320. Its totient is φ = 111248640.

The previous prime is 255641509. The next prime is 255641543. The reversal of 255641542 is 245146552.

It is a super-2 number, since 2×2556415422 = 130705195992275528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255641498 and 255641507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255641543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113992 + ... + 116212.

It is an arithmetic number, because the mean of its divisors is an integer number (13648635).

Almost surely, 2255641542 is an apocalyptic number.

255641542 is a deficient number, since it is larger than the sum of its proper divisors (181114778).

255641542 is a wasteful number, since it uses less digits than its factorization.

255641542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its digits is 48000, while the sum is 34.

The square root of 255641542 is about 15988.7942634834. The cubic root of 255641542 is about 634.6639195388.

The spelling of 255641542 in words is "two hundred fifty-five million, six hundred forty-one thousand, five hundred forty-two".

Divisors: 1 2 13 19 26 38 233 247 466 494 2221 3029 4427 4442 6058 8854 28873 42199 57551 57746 84398 115102 517493 548587 1034986 1097174 6727409 9832367 13454818 19664734 127820771 255641542