Base | Representation |
---|---|
bin | 1111010000111… |
… | …0100011001010 |
3 | 11110110200200020 |
4 | 3310032203022 |
5 | 112342211410 |
6 | 10204121310 |
7 | 1405120122 |
oct | 364164312 |
9 | 143420606 |
10 | 64022730 |
11 | 33159252 |
12 | 19536236 |
13 | 10357c95 |
14 | 8707c82 |
15 | 5949a70 |
hex | 3d0e8ca |
64022730 has 32 divisors (see below), whose sum is σ = 157405248. Its totient is φ = 16656000.
The previous prime is 64022687. The next prime is 64022737. The reversal of 64022730 is 3722046.
64022730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 64022730.
It is not an unprimeable number, because it can be changed into a prime (64022737) 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, 24796 + ... + 27255.
It is an arithmetic number, because the mean of its divisors is an integer number (4918914).
Almost surely, 264022730 is an apocalyptic number.
64022730 is an abundant number, since it is smaller than the sum of its proper divisors (93382518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64022730 is a wasteful number, since it uses less digits than its factorization.
64022730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52102.
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 64022730 is about 8001.4204988864. The cubic root of 64022730 is about 400.0473485617.
Adding to 64022730 its reverse (3722046), we get a palindrome (67744776).
The spelling of 64022730 in words is "sixty-four million, twenty-two thousand, seven hundred thirty".
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