Base | Representation |
---|---|
bin | 1101100000011… |
… | …0100100111101 |
3 | 10221121010020211 |
4 | 3120012210331 |
5 | 104000300140 |
6 | 5342112421 |
7 | 1255342324 |
oct | 330064475 |
9 | 127533224 |
10 | 56650045 |
11 | 29a83021 |
12 | 16b7b711 |
13 | b97624a |
14 | 77490bb |
15 | 4e902ea |
hex | 360693d |
56650045 has 4 divisors (see below), whose sum is σ = 67980060. Its totient is φ = 45320032.
The previous prime is 56650043. The next prime is 56650067. The reversal of 56650045 is 54005665.
56650045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 41447844 + 15202201 = 6438^2 + 3899^2 .
It is a cyclic number.
It is not a de Polignac number, because 56650045 - 21 = 56650043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 56649989 and 56650016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56650043) 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 3 ways as a sum of consecutive naturals, for example, 5665000 + ... + 5665009.
It is an arithmetic number, because the mean of its divisors is an integer number (16995015).
Almost surely, 256650045 is an apocalyptic number.
It is an amenable number.
56650045 is a deficient number, since it is larger than the sum of its proper divisors (11330015).
56650045 is a wasteful number, since it uses less digits than its factorization.
56650045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11330014.
The product of its (nonzero) digits is 18000, while the sum is 31.
The square root of 56650045 is about 7526.6224164628. The cubic root of 56650045 is about 384.0608921268.
The spelling of 56650045 in words is "fifty-six million, six hundred fifty thousand, forty-five".
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