Base | Representation |
---|---|
bin | 101101001001… |
… | …0110101110000 |
3 | 1122112120022102 |
4 | 1122102311300 |
5 | 22024421003 |
6 | 2203155532 |
7 | 405123056 |
oct | 132226560 |
9 | 48476272 |
10 | 23670128 |
11 | 123a7799 |
12 | 7b15ba8 |
13 | 4b99ac1 |
14 | 32021d6 |
15 | 2128588 |
hex | 1692d70 |
23670128 has 40 divisors (see below), whose sum is σ = 48318336. Its totient is φ = 11211200.
The previous prime is 23670109. The next prime is 23670139. The reversal of 23670128 is 82107632.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 23670128.
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, 47963 + ... + 48453.
Almost surely, 223670128 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 23670128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24159168).
23670128 is an abundant number, since it is smaller than the sum of its proper divisors (24648208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23670128 is a wasteful number, since it uses less digits than its factorization.
23670128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 653 (or 647 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 23670128 is about 4865.1955767471. The cubic root of 23670128 is about 287.1222633421.
The spelling of 23670128 in words is "twenty-three million, six hundred seventy thousand, one hundred twenty-eight".
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