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255172324 = 221126921559
BaseRepresentation
bin11110011010110…
…01111011100100
3122210011002121211
433031121323210
51010311003244
641153121204
76215633431
oct1715317344
9583132554
10255172324
11121046820
1271559204
1340b33a54
1425c64b88
1517606934
hexf359ee4

255172324 has 24 divisors (see below), whose sum is σ = 488980800. Its totient is φ = 115550880.

The previous prime is 255172319. The next prime is 255172339. The reversal of 255172324 is 423271552.

It is a super-2 number, since 2×2551723242 = 130225829871121952, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1057 + ... + 22615.

It is an arithmetic number, because the mean of its divisors is an integer number (20374200).

Almost surely, 2255172324 is an apocalyptic number.

It is an amenable number.

255172324 is a deficient number, since it is larger than the sum of its proper divisors (233808476).

255172324 is a wasteful number, since it uses less digits than its factorization.

255172324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843 (or 21841 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 255172324 is about 15974.1141851434. The cubic root of 255172324 is about 634.2753831591.

The spelling of 255172324 in words is "two hundred fifty-five million, one hundred seventy-two thousand, three hundred twenty-four".

Divisors: 1 2 4 11 22 44 269 538 1076 2959 5918 11836 21559 43118 86236 237149 474298 948596 5799371 11598742 23197484 63793081 127586162 255172324