Base | Representation |
---|---|
bin | 1111010110011… |
… | …1010000100101 |
3 | 11111011011002211 |
4 | 3311213100211 |
5 | 112440323320 |
6 | 10220003421 |
7 | 1411162351 |
oct | 365472045 |
9 | 144134084 |
10 | 64386085 |
11 | 33387245 |
12 | 19690571 |
13 | 1045449a |
14 | 87a0461 |
15 | 59bc55a |
hex | 3d67425 |
64386085 has 16 divisors (see below), whose sum is σ = 80839296. Its totient is φ = 49137088.
The previous prime is 64386083. The next prime is 64386097. The reversal of 64386085 is 58068346.
It is a cyclic number.
It is not a de Polignac number, because 64386085 - 21 = 64386083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64386083) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77442 + ... + 78268.
It is an arithmetic number, because the mean of its divisors is an integer number (5052456).
Almost surely, 264386085 is an apocalyptic number.
It is an amenable number.
64386085 is a deficient number, since it is larger than the sum of its proper divisors (16453211).
64386085 is a wasteful number, since it uses less digits than its factorization.
64386085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1532.
The product of its (nonzero) digits is 138240, while the sum is 40.
The square root of 64386085 is about 8024.0940298578. The cubic root of 64386085 is about 400.8027317268.
The spelling of 64386085 in words is "sixty-four million, three hundred eighty-six thousand, eighty-five".
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