Base | Representation |
---|---|
bin | 101100101010… |
… | …1110011110100 |
3 | 1122001212101220 |
4 | 1121111303310 |
5 | 21443421043 |
6 | 2153550340 |
7 | 403032213 |
oct | 131256364 |
9 | 48055356 |
10 | 23420148 |
11 | 122469a4 |
12 | 7a153b0 |
13 | 4b1009b |
14 | 317907a |
15 | 20c9483 |
hex | 1655cf4 |
23420148 has 24 divisors (see below), whose sum is σ = 54929952. Its totient is φ = 7766304.
The previous prime is 23420123. The next prime is 23420167. The reversal of 23420148 is 84102432.
It is a congruent 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, 2590 + ... + 7317.
It is an arithmetic number, because the mean of its divisors is an integer number (2288748).
Almost surely, 223420148 is an apocalyptic number.
It is an amenable number.
23420148 is an abundant number, since it is smaller than the sum of its proper divisors (31509804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23420148 is a wasteful number, since it uses less digits than its factorization.
23420148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10111 (or 10109 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 23420148 is about 4839.4367440850. The cubic root of 23420148 is about 286.1079189123.
The spelling of 23420148 in words is "twenty-three million, four hundred twenty thousand, one hundred forty-eight".
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