Base | Representation |
---|---|
bin | 101100101011… |
… | …1110001001000 |
3 | 1122002021101221 |
4 | 1121113301020 |
5 | 21444200133 |
6 | 2154051424 |
7 | 403064461 |
oct | 131276110 |
9 | 48067357 |
10 | 23428168 |
11 | 12251a25 |
12 | 7a19b74 |
13 | 4b1392a |
14 | 317bd68 |
15 | 20cba2d |
hex | 1657c48 |
23428168 has 32 divisors (see below), whose sum is σ = 46186560. Its totient is φ = 11119680.
The previous prime is 23428147. The next prime is 23428169. The reversal of 23428168 is 86182432.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (23428169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28483 + ... + 29293.
It is an arithmetic number, because the mean of its divisors is an integer number (1443330).
Almost surely, 223428168 is an apocalyptic number.
It is an amenable number.
23428168 is a deficient number, since it is larger than the sum of its proper divisors (22758392).
23428168 is a wasteful number, since it uses less digits than its factorization.
23428168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997 (or 993 counting only the distinct ones).
The product of its digits is 18432, while the sum is 34.
The square root of 23428168 is about 4840.2652819861. The cubic root of 23428168 is about 286.1405734688.
The spelling of 23428168 in words is "twenty-three million, four hundred twenty-eight thousand, one hundred sixty-eight".
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