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255144065 = 51119244157
BaseRepresentation
bin11110011010100…
…11000010000001
3122210002122212012
433031103002001
51010304102230
641152342305
76215455151
oct1715230201
9583078765
10255144065
11121027570
1271544995
1340b23c27
1425c58761
15175ed395
hexf353081

255144065 has 16 divisors (see below), whose sum is σ = 351587520. Its totient is φ = 175792320.

The previous prime is 255144031. The next prime is 255144073. The reversal of 255144065 is 560441552.

It is not a de Polignac number, because 255144065 - 28 = 255143809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121034 + ... + 123123.

It is an arithmetic number, because the mean of its divisors is an integer number (21974220).

Almost surely, 2255144065 is an apocalyptic number.

It is an amenable number.

255144065 is a deficient number, since it is larger than the sum of its proper divisors (96443455).

255144065 is a wasteful number, since it uses less digits than its factorization.

255144065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244192.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 255144065 is about 15973.2296358626. The cubic root of 255144065 is about 634.2519680678.

The spelling of 255144065 in words is "two hundred fifty-five million, one hundred forty-four thousand, sixty-five".

Divisors: 1 5 11 19 55 95 209 1045 244157 1220785 2685727 4638983 13428635 23194915 51028813 255144065