Base | Representation |
---|---|
bin | 1101100100000… |
… | …0000101010001 |
3 | 10222001002100112 |
4 | 3121000011101 |
5 | 104030314320 |
6 | 5351131105 |
7 | 1260343121 |
oct | 331000521 |
9 | 128032315 |
10 | 56885585 |
11 | 2a123a89 |
12 | 17073a95 |
13 | ba29513 |
14 | 77aac81 |
15 | 4ed9ec5 |
hex | 3640151 |
56885585 has 16 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 44896320.
The previous prime is 56885581. The next prime is 56885593. The reversal of 56885585 is 58558865.
It is not a de Polignac number, because 56885585 - 22 = 56885581 is a prime.
It is not an unprimeable number, because it can be changed into a prime (56885581) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216164 + ... + 216426.
It is an arithmetic number, because the mean of its divisors is an integer number (4324320).
Almost surely, 256885585 is an apocalyptic number.
It is an amenable number.
56885585 is a deficient number, since it is larger than the sum of its proper divisors (12303535).
56885585 is a wasteful number, since it uses less digits than its factorization.
56885585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 688.
The product of its digits is 1920000, while the sum is 50.
The square root of 56885585 is about 7542.2533105167. The cubic root of 56885585 is about 384.5924399082.
The spelling of 56885585 in words is "fifty-six million, eight hundred eighty-five thousand, five hundred eighty-five".
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