Base | Representation |
---|---|
bin | 11011011110010… |
… | …11010111111001 |
3 | 121001200010222221 |
4 | 31233023113321 |
5 | 433000034121 |
6 | 34511444041 |
7 | 5465654404 |
oct | 1557132771 |
9 | 531603887 |
10 | 230471161 |
11 | 109105438 |
12 | 65226621 |
13 | 3899588b |
14 | 22874d3b |
15 | 15377b41 |
hex | dbcb5f9 |
230471161 has 2 divisors, whose sum is σ = 230471162. Its totient is φ = 230471160.
The previous prime is 230471117. The next prime is 230471167. The reversal of 230471161 is 161174032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 219040000 + 11431161 = 14800^2 + 3381^2 .
It is a cyclic number.
It is not a de Polignac number, because 230471161 - 227 = 96253433 is a prime.
It is not a weakly prime, because it can be changed into another prime (230471167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115235580 + 115235581.
It is an arithmetic number, because the mean of its divisors is an integer number (115235581).
Almost surely, 2230471161 is an apocalyptic number.
It is an amenable number.
230471161 is a deficient number, since it is larger than the sum of its proper divisors (1).
230471161 is an equidigital number, since it uses as much as digits as its factorization.
230471161 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 230471161 is about 15181.2766590956. The cubic root of 230471161 is about 613.1106544013.
The spelling of 230471161 in words is "two hundred thirty million, four hundred seventy-one thousand, one hundred sixty-one".
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