Base | Representation |
---|---|
bin | 11011011110110… |
… | …10110100101011 |
3 | 121001210100210201 |
4 | 31233122310223 |
5 | 433004100233 |
6 | 34513053031 |
7 | 5466340036 |
oct | 1557326453 |
9 | 531710721 |
10 | 230534443 |
11 | 109148a37 |
12 | 65257177 |
13 | 389b8619 |
14 | 2289001d |
15 | 1538b77d |
hex | dbdad2b |
230534443 has 2 divisors, whose sum is σ = 230534444. Its totient is φ = 230534442.
The previous prime is 230534413. The next prime is 230534449. The reversal of 230534443 is 344435032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230534443 - 25 = 230534411 is a prime.
It is a super-2 number, since 2×2305344432 = 106292258818640498, which contains 22 as substring.
It is equal to p12670309 and since 230534443 and 12670309 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (230534449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115267221 + 115267222.
It is an arithmetic number, because the mean of its divisors is an integer number (115267222).
Almost surely, 2230534443 is an apocalyptic number.
230534443 is a deficient number, since it is larger than the sum of its proper divisors (1).
230534443 is an equidigital number, since it uses as much as digits as its factorization.
230534443 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17280, while the sum is 28.
The square root of 230534443 is about 15183.3607281129. The cubic root of 230534443 is about 613.1667645566.
Adding to 230534443 its reverse (344435032), we get a palindrome (574969475).
The spelling of 230534443 in words is "two hundred thirty million, five hundred thirty-four thousand, four hundred forty-three".
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