Base | Representation |
---|---|
bin | 101100001100… |
… | …0110110111110 |
3 | 1121121011221110 |
4 | 1120120312332 |
5 | 21412423434 |
6 | 2144342450 |
7 | 400642314 |
oct | 130306676 |
9 | 47534843 |
10 | 23170494 |
11 | 12096376 |
12 | 7914a26 |
13 | 4a53569 |
14 | 31120b4 |
15 | 207a4e9 |
hex | 1618dbe |
23170494 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 7467200.
The previous prime is 23170493. The next prime is 23170501. The reversal of 23170494 is 49407132.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23170493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31867 + ... + 32585.
It is an arithmetic number, because the mean of its divisors is an integer number (1496880).
Almost surely, 223170494 is an apocalyptic number.
23170494 is an abundant number, since it is smaller than the sum of its proper divisors (24729666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23170494 is a wasteful number, since it uses less digits than its factorization.
23170494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 23170494 is about 4813.5739321215. The cubic root of 23170494 is about 285.0876677054.
The spelling of 23170494 in words is "twenty-three million, one hundred seventy thousand, four hundred ninety-four".
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