Base | Representation |
---|---|
bin | 1101100001100… |
… | …0111001000001 |
3 | 10221201221011001 |
4 | 3120120321001 |
5 | 104010200212 |
6 | 5343452001 |
7 | 1256104114 |
oct | 330307101 |
9 | 127657131 |
10 | 56725057 |
11 | 2a024414 |
12 | 16bb7001 |
13 | b9a142c |
14 | 776857b |
15 | 4ea7657 |
hex | 3618e41 |
56725057 has 4 divisors (see below), whose sum is σ = 57064896. Its totient is φ = 56385220.
The previous prime is 56725027. The next prime is 56725069. The reversal of 56725057 is 75052765.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 56725057 - 219 = 56200769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (56725027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169669 + ... + 170002.
It is an arithmetic number, because the mean of its divisors is an integer number (14266224).
Almost surely, 256725057 is an apocalyptic number.
It is an amenable number.
56725057 is a deficient number, since it is larger than the sum of its proper divisors (339839).
56725057 is a wasteful number, since it uses less digits than its factorization.
56725057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339838.
The product of its (nonzero) digits is 73500, while the sum is 37.
The square root of 56725057 is about 7531.6038796527. The cubic root of 56725057 is about 384.2303328235.
The spelling of 56725057 in words is "fifty-six million, seven hundred twenty-five thousand, fifty-seven".
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