Base | Representation |
---|---|
bin | 101100001111… |
… | …0100101101011 |
3 | 1121122101010200 |
4 | 1120132211223 |
5 | 21414201323 |
6 | 2145043243 |
7 | 401100612 |
oct | 130364553 |
9 | 47571120 |
10 | 23193963 |
11 | 12101a71 |
12 | 7926523 |
13 | 4a61150 |
14 | 311a879 |
15 | 2082443 |
hex | 161e96b |
23193963 has 24 divisors (see below), whose sum is σ = 36367968. Its totient is φ = 14159232.
The previous prime is 23193953. The next prime is 23193971. The reversal of 23193963 is 36939132.
It is a happy number.
It is not a de Polignac number, because 23193963 - 29 = 23193451 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23193953) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15306 + ... + 16752.
It is an arithmetic number, because the mean of its divisors is an integer number (1515332).
Almost surely, 223193963 is an apocalyptic number.
23193963 is a deficient number, since it is larger than the sum of its proper divisors (13174005).
23193963 is a wasteful number, since it uses less digits than its factorization.
23193963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1603 (or 1600 counting only the distinct ones).
The product of its digits is 26244, while the sum is 36.
The square root of 23193963 is about 4816.0111087912. The cubic root of 23193963 is about 285.1838887120.
The spelling of 23193963 in words is "twenty-three million, one hundred ninety-three thousand, nine hundred sixty-three".
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