Base | Representation |
---|---|
bin | 101100101111… |
… | …0110100010101 |
3 | 1122010202000110 |
4 | 1121132310111 |
5 | 22001111140 |
6 | 2154433233 |
7 | 403244613 |
oct | 131366425 |
9 | 48122013 |
10 | 23457045 |
11 | 12271697 |
12 | 7a32819 |
13 | 4b23b11 |
14 | 31886b3 |
15 | 20d5380 |
hex | 165ed15 |
23457045 has 24 divisors (see below), whose sum is σ = 38156256. Its totient is φ = 12305248.
The previous prime is 23457029. The next prime is 23457047. The reversal of 23457045 is 54075432.
It is not a de Polignac number, because 23457045 - 24 = 23457029 is a prime.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23457047) 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, 103222 + ... + 103448.
It is an arithmetic number, because the mean of its divisors is an integer number (1589844).
Almost surely, 223457045 is an apocalyptic number.
It is an amenable number.
23457045 is a deficient number, since it is larger than the sum of its proper divisors (14699211).
23457045 is an equidigital number, since it uses as much as digits as its factorization.
23457045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401 (or 318 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 30.
The square root of 23457045 is about 4843.2473610172. The cubic root of 23457045 is about 286.2580885442.
The spelling of 23457045 in words is "twenty-three million, four hundred fifty-seven thousand, forty-five".
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