Base | Representation |
---|---|
bin | 1101100011111… |
… | …1111100100111 |
3 | 10222001001121000 |
4 | 3120333330213 |
5 | 104030310111 |
6 | 5351124343 |
7 | 1260341400 |
oct | 330777447 |
9 | 128031530 |
10 | 56885031 |
11 | 2a123625 |
12 | 170736b3 |
13 | ba291a8 |
14 | 77aa9a7 |
15 | 4ed9c56 |
hex | 363ff27 |
56885031 has 96 divisors (see below), whose sum is σ = 107980800. Its totient is φ = 29393280.
The previous prime is 56885011. The next prime is 56885033. The reversal of 56885031 is 13058865.
56885031 is nontrivially palindromic in base 4.
It is not a de Polignac number, because 56885031 - 27 = 56884903 is a prime.
It is a super-2 number, since 2×568850312 = 6471813503741922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56885033) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 779211 + ... + 779283.
It is an arithmetic number, because the mean of its divisors is an integer number (1124800).
Almost surely, 256885031 is an apocalyptic number.
56885031 is a deficient number, since it is larger than the sum of its proper divisors (51095769).
56885031 is a wasteful number, since it uses less digits than its factorization.
56885031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146 (or 133 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 56885031 is about 7542.2165840023. The cubic root of 56885031 is about 384.5911914085.
The spelling of 56885031 in words is "fifty-six million, eight hundred eighty-five thousand, thirty-one".
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