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255516268 = 2279125581
BaseRepresentation
bin11110011101011…
…01111001101100
3122210210120102111
433032231321230
51010403010033
641204333404
76221565250
oct1716557154
9583716374
10255516268
11121261177
12716a4264
1340c24477
1425d14260
15176737cd
hexf3ade6c

255516268 has 12 divisors (see below), whose sum is σ = 511032592. Its totient is φ = 109506960.

The previous prime is 255516263. The next prime is 255516271. The reversal of 255516268 is 862615552.

255516268 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 255516268.

It is not an unprimeable number, because it can be changed into a prime (255516263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562763 + ... + 4562818.

Almost surely, 2255516268 is an apocalyptic number.

255516268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255516268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255516268 is a wasteful number, since it uses less digits than its factorization.

255516268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125592 (or 9125590 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 255516268 is about 15984.8762272343. The cubic root of 255516268 is about 634.5602328454.

The spelling of 255516268 in words is "two hundred fifty-five million, five hundred sixteen thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 9125581 18251162 36502324 63879067 127758134 255516268