Base | Representation |
---|---|
bin | 11011100010101… |
… | …11100011001011 |
3 | 121002202022121012 |
4 | 31301113203023 |
5 | 433121422243 |
6 | 34532034135 |
7 | 5503565345 |
oct | 1561274313 |
9 | 532668535 |
10 | 231045323 |
11 | 109467853 |
12 | 6546294b |
13 | 38b37012 |
14 | 22984295 |
15 | 1543cd18 |
hex | dc578cb |
231045323 has 2 divisors, whose sum is σ = 231045324. Its totient is φ = 231045322.
The previous prime is 231045299. The next prime is 231045361. The reversal of 231045323 is 323540132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231045323 - 26 = 231045259 is a prime.
It is not a weakly prime, because it can be changed into another prime (231042323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115522661 + 115522662.
It is an arithmetic number, because the mean of its divisors is an integer number (115522662).
Almost surely, 2231045323 is an apocalyptic number.
231045323 is a deficient number, since it is larger than the sum of its proper divisors (1).
231045323 is an equidigital number, since it uses as much as digits as its factorization.
231045323 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 231045323 is about 15200.1750976757. The cubic root of 231045323 is about 613.6193701329.
Adding to 231045323 its reverse (323540132), we get a palindrome (554585455).
The spelling of 231045323 in words is "two hundred thirty-one million, forty-five thousand, three hundred twenty-three".
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