Base | Representation |
---|---|
bin | 1111010101000… |
… | …1111110001101 |
3 | 11110222201111111 |
4 | 3311101332031 |
5 | 112430031033 |
6 | 10214052021 |
7 | 1410350221 |
oct | 365217615 |
9 | 143881444 |
10 | 64298893 |
11 | 3332778a |
12 | 1964a011 |
13 | 104238a9 |
14 | 877a781 |
15 | 59a17cd |
hex | 3d51f8d |
64298893 has 2 divisors, whose sum is σ = 64298894. Its totient is φ = 64298892.
The previous prime is 64298891. The next prime is 64298917. The reversal of 64298893 is 39889246.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 59182249 + 5116644 = 7693^2 + 2262^2 .
It is a cyclic number.
It is not a de Polignac number, because 64298893 - 21 = 64298891 is a prime.
Together with 64298891, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64298891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32149446 + 32149447.
It is an arithmetic number, because the mean of its divisors is an integer number (32149447).
Almost surely, 264298893 is an apocalyptic number.
It is an amenable number.
64298893 is a deficient number, since it is larger than the sum of its proper divisors (1).
64298893 is an equidigital number, since it uses as much as digits as its factorization.
64298893 is an evil number, because the sum of its binary digits is even.
The product of its digits is 746496, while the sum is 49.
The square root of 64298893 is about 8018.6590524850. The cubic root of 64298893 is about 400.6217268885.
The spelling of 64298893 in words is "sixty-four million, two hundred ninety-eight thousand, eight hundred ninety-three".
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