Base | Representation |
---|---|
bin | 101100001001… |
… | …0110110010011 |
3 | 1121112221011122 |
4 | 1120102312103 |
5 | 21411132000 |
6 | 2144032455 |
7 | 400510454 |
oct | 130226623 |
9 | 47487148 |
10 | 23145875 |
11 | 12079925 |
12 | 790272b |
13 | 4a452ac |
14 | 310712b |
15 | 2073085 |
hex | 1612d93 |
23145875 has 8 divisors (see below), whose sum is σ = 28886208. Its totient is φ = 18516600.
The previous prime is 23145827. The next prime is 23145883. The reversal of 23145875 is 57854132.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-23145875 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92459 + ... + 92708.
It is an arithmetic number, because the mean of its divisors is an integer number (3610776).
Almost surely, 223145875 is an apocalyptic number.
23145875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23145875 is a deficient number, since it is larger than the sum of its proper divisors (5740333).
23145875 is an equidigital number, since it uses as much as digits as its factorization.
23145875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185182 (or 185172 counting only the distinct ones).
The product of its digits is 33600, while the sum is 35.
The square root of 23145875 is about 4811.0160049619. The cubic root of 23145875 is about 284.9866619386.
The spelling of 23145875 in words is "twenty-three million, one hundred forty-five thousand, eight hundred seventy-five".
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