Base | Representation |
---|---|
bin | 101100011000… |
… | …1110111101010 |
3 | 1121210101110200 |
4 | 1120301313222 |
5 | 21424213223 |
6 | 2150453030 |
7 | 401550063 |
oct | 130616752 |
9 | 47711420 |
10 | 23272938 |
11 | 12156337 |
12 | 7964176 |
13 | 4a8b090 |
14 | 313b56a |
15 | 209aa43 |
hex | 1631dea |
23272938 has 48 divisors (see below), whose sum is σ = 54652416. Its totient is φ = 7115040.
The previous prime is 23272927. The next prime is 23272939. The reversal of 23272938 is 83927232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23272939) 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, 63231 + ... + 63597.
It is an arithmetic number, because the mean of its divisors is an integer number (1138592).
Almost surely, 223272938 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23272938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27326208).
23272938 is an abundant number, since it is smaller than the sum of its proper divisors (31379478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23272938 is a wasteful number, since it uses less digits than its factorization.
23272938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659 (or 656 counting only the distinct ones).
The product of its digits is 36288, while the sum is 36.
The square root of 23272938 is about 4824.2033539228. The cubic root of 23272938 is about 285.5072039224.
The spelling of 23272938 in words is "twenty-three million, two hundred seventy-two thousand, nine hundred thirty-eight".
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