Base | Representation |
---|---|
bin | 1101100000011… |
… | …1100101010001 |
3 | 10221121022220021 |
4 | 3120013211101 |
5 | 104000413121 |
6 | 5342143441 |
7 | 1255360324 |
oct | 330074521 |
9 | 127538807 |
10 | 56654161 |
11 | 29a86123 |
12 | 16b81b81 |
13 | b978095 |
14 | 774a7bb |
15 | 4e91641 |
hex | 3607951 |
56654161 has 2 divisors, whose sum is σ = 56654162. Its totient is φ = 56654160.
The previous prime is 56654159. The next prime is 56654173. The reversal of 56654161 is 16145665.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 32092225 + 24561936 = 5665^2 + 4956^2 .
It is a cyclic number.
It is not a de Polignac number, because 56654161 - 21 = 56654159 is a prime.
It is a super-2 number, since 2×566541612 = 6419387917227842, which contains 22 as substring.
Together with 56654159, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (56654131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28327080 + 28327081.
It is an arithmetic number, because the mean of its divisors is an integer number (28327081).
Almost surely, 256654161 is an apocalyptic number.
It is an amenable number.
56654161 is a deficient number, since it is larger than the sum of its proper divisors (1).
56654161 is an equidigital number, since it uses as much as digits as its factorization.
56654161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21600, while the sum is 34.
The square root of 56654161 is about 7526.8958409161. The cubic root of 56654161 is about 384.0701934218.
The spelling of 56654161 in words is "fifty-six million, six hundred fifty-four thousand, one hundred sixty-one".
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