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255087 = 3274049
BaseRepresentation
bin111110010001101111
3110221220200
4332101233
531130322
65244543
72111460
oct762157
9427820
10255087
11164718
12103753
138c151
1468d67
15508ac
hex3e46f

255087 has 12 divisors (see below), whose sum is σ = 421200. Its totient is φ = 145728.

The previous prime is 255083. The next prime is 255097. The reversal of 255087 is 780552.

It is a happy number.

255087 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 255087 - 22 = 255083 is a prime.

It is a hoax number, since the sum of its digits (27) 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 255087.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255087.

It is not an unprimeable number, because it can be changed into a prime (255083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (35100).

2255087 is an apocalyptic number.

255087 is a deficient number, since it is larger than the sum of its proper divisors (166113).

255087 is a wasteful number, since it uses less digits than its factorization.

255087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 255087 is about 505.0613824081. The cubic root of 255087 is about 63.4204679376.

The spelling of 255087 in words is "two hundred fifty-five thousand, eighty-seven".

Divisors: 1 3 7 9 21 63 4049 12147 28343 36441 85029 255087