Base | Representation |
---|---|
bin | 101100000101… |
… | …1100001110110 |
3 | 1121111102001020 |
4 | 1120023201312 |
5 | 21404202034 |
6 | 2143242010 |
7 | 400324164 |
oct | 130134166 |
9 | 47442036 |
10 | 23115894 |
11 | 1205934a |
12 | 78a9306 |
13 | 4a34759 |
14 | 30da234 |
15 | 2069249 |
hex | 160b876 |
23115894 has 48 divisors (see below), whose sum is σ = 50523840. Its totient is φ = 7030800.
The previous prime is 23115893. The next prime is 23115899. The reversal of 23115894 is 49851132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23115893) 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, 109449 + ... + 109659.
It is an arithmetic number, because the mean of its divisors is an integer number (1052580).
Almost surely, 223115894 is an apocalyptic number.
23115894 is an abundant number, since it is smaller than the sum of its proper divisors (27407946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23115894 is a wasteful number, since it uses less digits than its factorization.
23115894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297 (or 266 counting only the distinct ones).
The product of its digits is 8640, while the sum is 33.
The square root of 23115894 is about 4807.8991253977. The cubic root of 23115894 is about 284.8635604230.
The spelling of 23115894 in words is "twenty-three million, one hundred fifteen thousand, eight hundred ninety-four".
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