Base | Representation |
---|---|
bin | 1111010001100… |
… | …1010101010101 |
3 | 11110112221021012 |
4 | 3310121111111 |
5 | 112400120101 |
6 | 10205102005 |
7 | 1405362653 |
oct | 364312525 |
9 | 143487235 |
10 | 64066901 |
11 | 33189458 |
12 | 19557905 |
13 | 10372112 |
14 | 8719dd3 |
15 | 5957bbb |
hex | 3d19555 |
64066901 has 2 divisors, whose sum is σ = 64066902. Its totient is φ = 64066900.
The previous prime is 64066883. The next prime is 64066913. The reversal of 64066901 is 10966046.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 35700625 + 28366276 = 5975^2 + 5326^2 .
It is a cyclic number.
It is not a de Polignac number, because 64066901 - 26 = 64066837 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64026901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033450 + 32033451.
It is an arithmetic number, because the mean of its divisors is an integer number (32033451).
Almost surely, 264066901 is an apocalyptic number.
It is an amenable number.
64066901 is a deficient number, since it is larger than the sum of its proper divisors (1).
64066901 is an equidigital number, since it uses as much as digits as its factorization.
64066901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 64066901 is about 8004.1802203599. The cubic root of 64066901 is about 400.1393285466.
The spelling of 64066901 in words is "sixty-four million, sixty-six thousand, nine hundred one".
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