Base | Representation |
---|---|
bin | 101100001001… |
… | …0100111010000 |
3 | 1121112212211222 |
4 | 1120102213100 |
5 | 21411114122 |
6 | 2144024212 |
7 | 400504610 |
oct | 130224720 |
9 | 47485758 |
10 | 23144912 |
11 | 1207912a |
12 | 7902068 |
13 | 4a44a1b |
14 | 3106a40 |
15 | 2072b42 |
hex | 16129d0 |
23144912 has 20 divisors (see below), whose sum is σ = 51249696. Its totient is φ = 9919200.
The previous prime is 23144911. The next prime is 23144921. The reversal of 23144912 is 21944132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23144911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103214 + ... + 103437.
Almost surely, 223144912 is an apocalyptic number.
It is an amenable number.
23144912 is an abundant number, since it is smaller than the sum of its proper divisors (28104784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23144912 is a wasteful number, since it uses less digits than its factorization.
23144912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206666 (or 206660 counting only the distinct ones).
The product of its digits is 1728, while the sum is 26.
The square root of 23144912 is about 4810.9159211111. The cubic root of 23144912 is about 284.9827095287.
The spelling of 23144912 in words is "twenty-three million, one hundred forty-four thousand, nine hundred twelve".
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