Base | Representation |
---|---|
bin | 11011011110100… |
… | …11100110011001 |
3 | 121001201212012221 |
4 | 31233103212121 |
5 | 433002123412 |
6 | 34512304041 |
7 | 5466154552 |
oct | 1557234631 |
9 | 531655187 |
10 | 230504857 |
11 | 109128790 |
12 | 65242021 |
13 | 389a800b |
14 | 22883329 |
15 | 15382b07 |
hex | dbd3999 |
230504857 has 32 divisors (see below), whose sum is σ = 267909120. Its totient is φ = 196447680.
The previous prime is 230504851. The next prime is 230504863. The reversal of 230504857 is 758405032.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (230504851) and next prime (230504863).
It is not a de Polignac number, because 230504857 - 211 = 230502809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230504851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2154198 + ... + 2154304.
It is an arithmetic number, because the mean of its divisors is an integer number (8372160).
Almost surely, 2230504857 is an apocalyptic number.
It is an amenable number.
230504857 is a deficient number, since it is larger than the sum of its proper divisors (37404263).
230504857 is a wasteful number, since it uses less digits than its factorization.
230504857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301.
The product of its (nonzero) digits is 33600, while the sum is 34.
The square root of 230504857 is about 15182.3864066226. The cubic root of 230504857 is about 613.1405328610.
Adding to 230504857 its reverse (758405032), we get a palindrome (988909889).
It can be divided in two parts, 230504 and 857, that added together give a square (231361 = 4812).
The spelling of 230504857 in words is "two hundred thirty million, five hundred four thousand, eight hundred fifty-seven".
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