Base | Representation |
---|---|
bin | 101100000100… |
… | …1110101000000 |
3 | 1121111001111020 |
4 | 1120021311000 |
5 | 21403441203 |
6 | 2143145440 |
7 | 400264653 |
oct | 130116500 |
9 | 47431436 |
10 | 23108928 |
11 | 12054097 |
12 | 78a5280 |
13 | 4a3152b |
14 | 30d789a |
15 | 2067153 |
hex | 1609d40 |
23108928 has 56 divisors (see below), whose sum is σ = 63812928. Its totient is φ = 7366656.
The previous prime is 23108923. The next prime is 23108957. The reversal of 23108928 is 82980132.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23108923) 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, 1800 + ... + 7032.
Almost surely, 223108928 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23108928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31906464).
23108928 is an abundant number, since it is smaller than the sum of its proper divisors (40704000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23108928 is a wasteful number, since it uses less digits than its factorization.
23108928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5271 (or 5261 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 23108928 is about 4807.1746379760. The cubic root of 23108928 is about 284.8349428994.
The spelling of 23108928 in words is "twenty-three million, one hundred eight thousand, nine hundred twenty-eight".
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