Base | Representation |
---|---|
bin | 1111010001101… |
… | …0110010000011 |
3 | 11110120020101222 |
4 | 3310122302003 |
5 | 112400312320 |
6 | 10205145255 |
7 | 1405416161 |
oct | 364326203 |
9 | 143506358 |
10 | 64072835 |
11 | 33192962 |
12 | 1955b22b |
13 | 10374a28 |
14 | 871c231 |
15 | 5959825 |
hex | 3d1ac83 |
64072835 has 4 divisors (see below), whose sum is σ = 76887408. Its totient is φ = 51258264.
The previous prime is 64072829. The next prime is 64072843. The reversal of 64072835 is 53827046.
It is a happy number.
64072835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 64072835 - 24 = 64072819 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 64072795 and 64072804.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 6407279 + ... + 6407288.
It is an arithmetic number, because the mean of its divisors is an integer number (19221852).
Almost surely, 264072835 is an apocalyptic number.
64072835 is a deficient number, since it is larger than the sum of its proper divisors (12814573).
64072835 is a wasteful number, since it uses less digits than its factorization.
64072835 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12814572.
The product of its (nonzero) digits is 40320, while the sum is 35.
The square root of 64072835 is about 8004.5508930858. The cubic root of 64072835 is about 400.1516820574.
The spelling of 64072835 in words is "sixty-four million, seventy-two thousand, eight hundred thirty-five".
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