Base | Representation |
---|---|
bin | 101100001110… |
… | …1011001000000 |
3 | 1121122010101221 |
4 | 1120131121000 |
5 | 21414022211 |
6 | 2145004424 |
7 | 401050402 |
oct | 130353100 |
9 | 47563357 |
10 | 23189056 |
11 | 120a9310 |
12 | 7923714 |
13 | 4a5bb47 |
14 | 3118b72 |
15 | 2080c71 |
hex | 161d640 |
23189056 has 28 divisors (see below), whose sum is σ = 50200560. Its totient is φ = 10540160.
The previous prime is 23189051. The next prime is 23189077. The reversal of 23189056 is 65098132.
It is a super-2 number, since 2×231890562 = 1075464636342272, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23189051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15766 + ... + 17173.
Almost surely, 223189056 is an apocalyptic number.
It is an amenable number.
23189056 is an abundant number, since it is smaller than the sum of its proper divisors (27011504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23189056 is a wasteful number, since it uses less digits than its factorization.
23189056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32962 (or 32952 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 23189056 is about 4815.5016353439. The cubic root of 23189056 is about 285.1637757766.
The spelling of 23189056 in words is "twenty-three million, one hundred eighty-nine thousand, fifty-six".
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