Base | Representation |
---|---|
bin | 1101100011001… |
… | …00010001011001 |
3 | 21220212100222121 |
4 | 12301210101121 |
5 | 213044010141 |
6 | 15140021241 |
7 | 2550032200 |
oct | 661442131 |
9 | 256770877 |
10 | 113656921 |
11 | 5917a144 |
12 | 32091821 |
13 | 1a715a21 |
14 | 11148237 |
15 | 9ea11d1 |
hex | 6c64459 |
113656921 has 9 divisors (see below), whose sum is σ = 132300021. Its totient is φ = 97356252.
The previous prime is 113656909. The next prime is 113656927. The reversal of 113656921 is 129656311.
The square root of 113656921 is 10661.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 113656921 - 27 = 113656793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (113656927) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73866 + ... + 75388.
Almost surely, 2113656921 is an apocalyptic number.
113656921 is the 10661-st square number.
113656921 is the 5331-st centered octagonal number.
It is an amenable number.
113656921 is a deficient number, since it is larger than the sum of its proper divisors (18643100).
113656921 is an frugal number, since it uses more digits than its factorization.
113656921 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3060 (or 1530 counting only the distinct ones).
The product of its digits is 9720, while the sum is 34.
The cubic root of 113656921 is about 484.3938592782.
The spelling of 113656921 in words is "one hundred thirteen million, six hundred fifty-six thousand, nine hundred twenty-one".
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