Base | Representation |
---|---|
bin | 101101101111… |
… | …0100001100000 |
3 | 1200010022112220 |
4 | 1123132201200 |
5 | 22114331003 |
6 | 2213551040 |
7 | 410553624 |
oct | 133364140 |
9 | 50108486 |
10 | 23980128 |
11 | 12599697 |
12 | 8045480 |
13 | 4c77c33 |
14 | 3283184 |
15 | 218a353 |
hex | 16de860 |
23980128 has 48 divisors (see below), whose sum is σ = 66265920. Its totient is φ = 7572096.
The previous prime is 23980087. The next prime is 23980133. The reversal of 23980128 is 82108932.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750 + ... + 8397.
It is an arithmetic number, because the mean of its divisors is an integer number (1380540).
Almost surely, 223980128 is an apocalyptic number.
It is an amenable number.
23980128 is an abundant number, since it is smaller than the sum of its proper divisors (42285792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23980128 is a wasteful number, since it uses less digits than its factorization.
23980128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13179 (or 13171 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 23980128 is about 4896.9508880527. The cubic root of 23980128 is about 288.3702799021.
The spelling of 23980128 in words is "twenty-three million, nine hundred eighty thousand, one hundred twenty-eight".
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