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255243134 = 21716744953
BaseRepresentation
bin11110011011010…
…11001101111110
3122210021200202102
433031223031332
51010320240014
641154425102
76216350036
oct1715531576
9583250672
10255243134
11121094a43
1271592192
1340b5a053
1425c828c6
151761c8de
hexf36b37e

255243134 has 16 divisors (see below), whose sum is σ = 407822688. Its totient is φ = 119392512.

The previous prime is 255243101. The next prime is 255243139. The reversal of 255243134 is 431342552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255243097 and 255243106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255243139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16799 + ... + 28154.

It is an arithmetic number, because the mean of its divisors is an integer number (25488918).

Almost surely, 2255243134 is an apocalyptic number.

255243134 is a deficient number, since it is larger than the sum of its proper divisors (152579554).

255243134 is a wasteful number, since it uses less digits than its factorization.

255243134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45139.

The product of its digits is 14400, while the sum is 29.

The square root of 255243134 is about 15976.3304297326. The cubic root of 255243134 is about 634.3340479408.

Adding to 255243134 its reverse (431342552), we get a palindrome (686585686).

The spelling of 255243134 in words is "two hundred fifty-five million, two hundred forty-three thousand, one hundred thirty-four".

Divisors: 1 2 17 34 167 334 2839 5678 44953 89906 764201 1528402 7507151 15014302 127621567 255243134