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255634038 = 232112117371
BaseRepresentation
bin11110011110010…
…10101001110110
3122211000112222100
433033022221312
51010420242123
641211042530
76222565512
oct1717125166
9584015870
10255634038
11121331700
1271740446
1340c65c5a
1425d45142
1517698643
hexf3caa76

255634038 has 36 divisors (see below), whose sum is σ = 608808564. Its totient is φ = 77464200.

The previous prime is 255634019. The next prime is 255634039. The reversal of 255634038 is 830436552.

It is a happy number.

255634038 is a `hidden beast` number, since 25 + 563 + 40 + 38 = 666.

It is a super-2 number, since 2×2556340382 = 130697522768370888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255633993 and 255634011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255634039) 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 17 ways as a sum of consecutive naturals, for example, 56508 + ... + 60863.

It is an arithmetic number, because the mean of its divisors is an integer number (16911349).

Almost surely, 2255634038 is an apocalyptic number.

255634038 is an abundant number, since it is smaller than the sum of its proper divisors (353174526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255634038 is a wasteful number, since it uses less digits than its factorization.

255634038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117401 (or 117387 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 255634038 is about 15988.5595974121. The cubic root of 255634038 is about 634.6577095874.

The spelling of 255634038 in words is "two hundred fifty-five million, six hundred thirty-four thousand, thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 2178 117371 234742 352113 704226 1056339 1291081 2112678 2582162 3873243 7746486 11619729 14201891 23239458 28403782 42605673 85211346 127817019 255634038