Base | Representation |
---|---|
bin | 101100001011… |
… | …0010011101111 |
3 | 1121120122121112 |
4 | 1120112103233 |
5 | 21412110142 |
6 | 2144222235 |
7 | 400600001 |
oct | 130262357 |
9 | 47518545 |
10 | 23160047 |
11 | 12089539 |
12 | 790a97b |
13 | 4a4b891 |
14 | 310c371 |
15 | 2077382 |
hex | 16164ef |
23160047 has 2 divisors, whose sum is σ = 23160048. Its totient is φ = 23160046.
The previous prime is 23160019. The next prime is 23160077. The reversal of 23160047 is 74006132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23160047 - 28 = 23159791 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23160017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11580023 + 11580024.
It is an arithmetic number, because the mean of its divisors is an integer number (11580024).
Almost surely, 223160047 is an apocalyptic number.
23160047 is a deficient number, since it is larger than the sum of its proper divisors (1).
23160047 is an equidigital number, since it uses as much as digits as its factorization.
23160047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 23160047 is about 4812.4886493373. The cubic root of 23160047 is about 285.0448149492.
Adding to 23160047 its reverse (74006132), we get a palindrome (97166179).
The spelling of 23160047 in words is "twenty-three million, one hundred sixty thousand, forty-seven".
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