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255131392 = 281952453
BaseRepresentation
bin11110011010011…
…11111100000000
3122210002000110211
433031033330000
51010303201032
641152203504
76215403205
oct1715177400
9583060424
10255131392
11121018a9a
1271539594
1340b1b229
1425c53cac
15175e9747
hexf34ff00

255131392 has 36 divisors (see below), whose sum is σ = 536079880. Its totient is φ = 120849408.

The previous prime is 255131381. The next prime is 255131413. The reversal of 255131392 is 293131552.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21363 + ... + 31090.

Almost surely, 2255131392 is an apocalyptic number.

It is an amenable number.

255131392 is an abundant number, since it is smaller than the sum of its proper divisors (280948488).

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

255131392 is an equidigital number, since it uses as much as digits as its factorization.

255131392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52488 (or 52474 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 255131392 is about 15972.8329359572. The cubic root of 255131392 is about 634.2414668003.

The spelling of 255131392 in words is "two hundred fifty-five million, one hundred thirty-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 52453 104906 209812 419624 839248 996607 1678496 1993214 3356992 3986428 6713984 7972856 13427968 15945712 31891424 63782848 127565696 255131392