Base | Representation |
---|---|
bin | 1101010100011… |
… | …0011010010011 |
3 | 10220010010112110 |
4 | 3111012122103 |
5 | 103300103211 |
6 | 5313200403 |
7 | 1245553455 |
oct | 325063223 |
9 | 126103473 |
10 | 55862931 |
11 | 29595713 |
12 | 16860103 |
13 | b75bbb7 |
14 | 75c22d5 |
15 | 4d86ea6 |
hex | 3546693 |
55862931 has 16 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 36191328.
The previous prime is 55862927. The next prime is 55862941. The reversal of 55862931 is 13926855.
55862931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 55862931 - 22 = 55862927 is a prime.
It is a super-2 number, since 2×558629312 = 6241334119821522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 55862931.
It is not an unprimeable number, because it can be changed into a prime (55862941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19680 + ... + 22338.
It is an arithmetic number, because the mean of its divisors is an integer number (4788000).
Almost surely, 255862931 is an apocalyptic number.
55862931 is a deficient number, since it is larger than the sum of its proper divisors (20745069).
55862931 is a wasteful number, since it uses less digits than its factorization.
55862931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2858.
The product of its digits is 64800, while the sum is 39.
The square root of 55862931 is about 7474.1508547794. The cubic root of 55862931 is about 382.2738344305.
The spelling of 55862931 in words is "fifty-five million, eight hundred sixty-two thousand, nine hundred thirty-one".
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