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255860525 = 5210234421
BaseRepresentation
bin11110100000000…
…01111100101101
3122211110001122202
433100001330231
51011000014100
641215551245
76224531024
oct1720017455
9584401582
10255860525
11121476888
127182b525
134101507b
1425da38bb
15176e07d5
hexf401f2d

255860525 has 6 divisors (see below), whose sum is σ = 317267082. Its totient is φ = 204688400.

The previous prime is 255860509. The next prime is 255860537. The reversal of 255860525 is 525068552.

It is a happy number.

255860525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 50282281 + 205578244 = 7091^2 + 14338^2 .

It is not a de Polignac number, because 255860525 - 24 = 255860509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5117186 + ... + 5117235.

It is an arithmetic number, because the mean of its divisors is an integer number (52877847).

Almost surely, 2255860525 is an apocalyptic number.

255860525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255860525 is a deficient number, since it is larger than the sum of its proper divisors (61406557).

255860525 is a wasteful number, since it uses less digits than its factorization.

255860525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234431 (or 10234426 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 255860525 is about 15995.6408124214. The cubic root of 255860525 is about 634.8450859006.

The spelling of 255860525 in words is "two hundred fifty-five million, eight hundred sixty thousand, five hundred twenty-five".

Divisors: 1 5 25 10234421 51172105 255860525