Base | Representation |
---|---|
bin | 1111010100111… |
… | …1001000111111 |
3 | 11110222010120221 |
4 | 3311033020333 |
5 | 112424143140 |
6 | 10213522211 |
7 | 1410301342 |
oct | 365171077 |
9 | 143863527 |
10 | 64287295 |
11 | 33319aa6 |
12 | 19643367 |
13 | 1041b527 |
14 | 8776459 |
15 | 599d14a |
hex | 3d4f23f |
64287295 has 8 divisors (see below), whose sum is σ = 77189040. Its totient is φ = 51400320.
The previous prime is 64287271. The next prime is 64287299. The reversal of 64287295 is 59278246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-64287295 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64287299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11815 + ... + 16375.
It is an arithmetic number, because the mean of its divisors is an integer number (9648630).
Almost surely, 264287295 is an apocalyptic number.
64287295 is a deficient number, since it is larger than the sum of its proper divisors (12901745).
64287295 is a wasteful number, since it uses less digits than its factorization.
64287295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7385.
The product of its digits is 241920, while the sum is 43.
The square root of 64287295 is about 8017.9358316215. The cubic root of 64287295 is about 400.5976378777.
The spelling of 64287295 in words is "sixty-four million, two hundred eighty-seven thousand, two hundred ninety-five".
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