Base | Representation |
---|---|
bin | 101100101101… |
… | …0010001001000 |
3 | 1122002210110012 |
4 | 1121122101020 |
5 | 22000012113 |
6 | 2154211052 |
7 | 403136360 |
oct | 131322110 |
9 | 48083405 |
10 | 23438408 |
11 | 12259694 |
12 | 7a23a88 |
13 | 4b184a6 |
14 | 31819a0 |
15 | 20ceaa8 |
hex | 165a448 |
23438408 has 32 divisors (see below), whose sum is σ = 50381760. Its totient is φ = 10013760.
The previous prime is 23438407. The next prime is 23438411. The reversal of 23438408 is 80483432.
It is not an unprimeable number, because it can be changed into a prime (23438407) 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, 31610 + ... + 32342.
It is an arithmetic number, because the mean of its divisors is an integer number (1574430).
Almost surely, 223438408 is an apocalyptic number.
23438408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23438408 is an abundant number, since it is smaller than the sum of its proper divisors (26943352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23438408 is a wasteful number, since it uses less digits than its factorization.
23438408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1317 (or 1313 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
The square root of 23438408 is about 4841.3229596878. The cubic root of 23438408 is about 286.1822562369.
The spelling of 23438408 in words is "twenty-three million, four hundred thirty-eight thousand, four hundred eight".
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