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255141 = 3228349
BaseRepresentation
bin111110010010100101
3110221222200
4332102211
531131031
65245113
72111565
oct762245
9427880
10255141
11164767
12103799
138c193
1468da5
15508e6
hex3e4a5

255141 has 6 divisors (see below), whose sum is σ = 368550. Its totient is φ = 170088.

The previous prime is 255137. The next prime is 255149. The reversal of 255141 is 141552.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 103041 = 390^2 + 321^2 .

It is not a de Polignac number, because 255141 - 22 = 255137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14166 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2255141 is an apocalyptic number.

It is an amenable number.

255141 is a deficient number, since it is larger than the sum of its proper divisors (113409).

255141 is a wasteful number, since it uses less digits than its factorization.

255141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28355 (or 28352 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 255141 is about 505.1148384279. The cubic root of 255141 is about 63.4249428339.

Adding to 255141 its reverse (141552), we get a palindrome (396693).

The spelling of 255141 in words is "two hundred fifty-five thousand, one hundred forty-one".

Divisors: 1 3 9 28349 85047 255141