Base | Representation |
---|---|
bin | 1111011001001… |
… | …0011110001000 |
3 | 11111111010220012 |
4 | 3312102132020 |
5 | 113012004310 |
6 | 10223451052 |
7 | 1412530361 |
oct | 366223610 |
9 | 144433805 |
10 | 64563080 |
11 | 3349821a |
12 | 19756a88 |
13 | 104b6c0a |
14 | 8808b68 |
15 | 5a04c05 |
hex | 3d92788 |
64563080 has 32 divisors (see below), whose sum is σ = 149955840. Its totient is φ = 24991680.
The previous prime is 64563061. The next prime is 64563089. The reversal of 64563080 is 8036546.
64563080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (64563089) 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 7 ways as a sum of consecutive naturals, for example, 24794 + ... + 27273.
It is an arithmetic number, because the mean of its divisors is an integer number (4686120).
Almost surely, 264563080 is an apocalyptic number.
It is an amenable number.
64563080 is an abundant number, since it is smaller than the sum of its proper divisors (85392760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64563080 is a wasteful number, since it uses less digits than its factorization.
64563080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52109 (or 52105 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 64563080 is about 8035.1154316537. The cubic root of 64563080 is about 401.1696597398.
The spelling of 64563080 in words is "sixty-four million, five hundred sixty-three thousand, eighty".
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