Base | Representation |
---|---|
bin | 11011011101001… |
… | …00100101000111 |
3 | 121001101002000211 |
4 | 31232210211013 |
5 | 432424443023 |
6 | 34504220251 |
7 | 5464423216 |
oct | 1556444507 |
9 | 531332024 |
10 | 230312263 |
11 | 109007015 |
12 | 6516a687 |
13 | 3893b45c |
14 | 2283307d |
15 | 15345a0d |
hex | dba4947 |
230312263 has 2 divisors, whose sum is σ = 230312264. Its totient is φ = 230312262.
The previous prime is 230312261. The next prime is 230312273. The reversal of 230312263 is 362213032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230312263 - 21 = 230312261 is a prime.
Together with 230312261, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230312261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115156131 + 115156132.
It is an arithmetic number, because the mean of its divisors is an integer number (115156132).
Almost surely, 2230312263 is an apocalyptic number.
230312263 is a deficient number, since it is larger than the sum of its proper divisors (1).
230312263 is an equidigital number, since it uses as much as digits as its factorization.
230312263 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 230312263 is about 15176.0424024184. The cubic root of 230312263 is about 612.9697192635.
Adding to 230312263 its reverse (362213032), we get a palindrome (592525295).
The spelling of 230312263 in words is "two hundred thirty million, three hundred twelve thousand, two hundred sixty-three".
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