Base | Representation |
---|---|
bin | 101101101001… |
… | …0010011100111 |
3 | 1200000202220112 |
4 | 1123102103213 |
5 | 22111230322 |
6 | 2212523235 |
7 | 410255006 |
oct | 133222347 |
9 | 50022815 |
10 | 23930087 |
11 | 12565035 |
12 | 802051b |
13 | 4c5b21c |
14 | 326cc3d |
15 | 217a5e2 |
hex | 16d24e7 |
23930087 has 2 divisors, whose sum is σ = 23930088. Its totient is φ = 23930086.
The previous prime is 23930077. The next prime is 23930129. The reversal of 23930087 is 78003932.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23930087 - 28 = 23929831 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23930077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965043 + 11965044.
It is an arithmetic number, because the mean of its divisors is an integer number (11965044).
Almost surely, 223930087 is an apocalyptic number.
23930087 is a deficient number, since it is larger than the sum of its proper divisors (1).
23930087 is an equidigital number, since it uses as much as digits as its factorization.
23930087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 23930087 is about 4891.8388158238. The cubic root of 23930087 is about 288.1695527775.
The spelling of 23930087 in words is "twenty-three million, nine hundred thirty thousand, eighty-seven".
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