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255893 = 1143541
BaseRepresentation
bin111110011110010101
3111000000112
4332132111
531142033
65252405
72114021
oct763625
9430015
10255893
11165290
12104105
138c621
1469381
1550c48
hex3e795

255893 has 8 divisors (see below), whose sum is σ = 286176. Its totient is φ = 226800.

The previous prime is 255887. The next prime is 255907. The reversal of 255893 is 398552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255893 - 24 = 255877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (35772).

2255893 is an apocalyptic number.

It is an amenable number.

255893 is a deficient number, since it is larger than the sum of its proper divisors (30283).

255893 is a wasteful number, since it uses less digits than its factorization.

255893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its digits is 10800, while the sum is 32.

The square root of 255893 is about 505.8586759165. The cubic root of 255893 is about 63.4871943921.

It can be divided in two parts, 25589 and 3, that multiplied together give a palindrome (76767).

The spelling of 255893 in words is "two hundred fifty-five thousand, eight hundred ninety-three".

Divisors: 1 11 43 473 541 5951 23263 255893