Base | Representation |
---|---|
bin | 1101100000010… |
… | …0101000100101 |
3 | 10221120201100000 |
4 | 3120010220211 |
5 | 104000021320 |
6 | 5342011513 |
7 | 1255310163 |
oct | 330045045 |
9 | 127521300 |
10 | 56642085 |
11 | 29a78045 |
12 | 16b76b99 |
13 | b972736 |
14 | 7746233 |
15 | 4e8cc90 |
hex | 3604a25 |
56642085 has 24 divisors (see below), whose sum is σ = 101818080. Its totient is φ = 30208464.
The previous prime is 56642081. The next prime is 56642093. The reversal of 56642085 is 58024665.
56642085 is a `hidden beast` number, since 5 + 6 + 642 + 0 + 8 + 5 = 666.
It is not a de Polignac number, because 56642085 - 22 = 56642081 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56642081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22095 + ... + 24524.
It is an arithmetic number, because the mean of its divisors is an integer number (4242420).
Almost surely, 256642085 is an apocalyptic number.
It is an amenable number.
56642085 is a deficient number, since it is larger than the sum of its proper divisors (45175995).
56642085 is an equidigital number, since it uses as much as digits as its factorization.
56642085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46639 (or 46627 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 56642085 is about 7526.0936082406. The cubic root of 56642085 is about 384.0429029213.
The spelling of 56642085 in words is "fifty-six million, six hundred forty-two thousand, eighty-five".
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