Base | Representation |
---|---|
bin | 11110011110011… |
… | …10010100010001 |
3 | 122211001022120000 |
4 | 33033032110101 |
5 | 1010421232131 |
6 | 41211240213 |
7 | 6222660324 |
oct | 1717162421 |
9 | 584038500 |
10 | 255649041 |
11 | 1213419aa |
12 | 71749069 |
13 | 40c6ca2b |
14 | 25d4a7bb |
15 | 1769cce6 |
hex | f3ce511 |
255649041 has 10 divisors (see below), whose sum is σ = 381895602. Its totient is φ = 170432640.
The previous prime is 255649039. The next prime is 255649057. The reversal of 255649041 is 140946552.
255649041 is a `hidden beast` number, since 2 + 5 + 5 + 649 + 0 + 4 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 183467025 + 72182016 = 13545^2 + 8496^2 .
It is not a de Polignac number, because 255649041 - 21 = 255649039 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 255648987 and 255649005.
It is not an unprimeable number, because it can be changed into a prime (255649091) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1578000 + ... + 1578161.
Almost surely, 2255649041 is an apocalyptic number.
It is an amenable number.
255649041 is a deficient number, since it is larger than the sum of its proper divisors (126246561).
255649041 is an equidigital number, since it uses as much as digits as its factorization.
255649041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3156173 (or 3156164 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 255649041 is about 15989.0287697533. The cubic root of 255649041 is about 634.6701252310.
The spelling of 255649041 in words is "two hundred fifty-five million, six hundred forty-nine thousand, forty-one".
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