| Base | Representation |
|---|---|
| bin | 1111010001100… |
| … | …1110111000000 |
| 3 | 11110120001020000 |
| 4 | 3310121313000 |
| 5 | 112400202211 |
| 6 | 10205120000 |
| 7 | 1405402152 |
| oct | 364316700 |
| 9 | 143501200 |
| 10 | 64069056 |
| 11 | 33190037 |
| 12 | 19559000 |
| 13 | 103730ac |
| 14 | 871aad2 |
| 15 | 5958656 |
| hex | 3d19dc0 |
64069056 has 140 divisors (see below), whose sum is σ = 201369168. Its totient is φ = 20072448.
The previous prime is 64069021. The next prime is 64069123. The reversal of 64069056 is 65096046.
It is a happy number.
64069056 is a `hidden beast` number, since 640 + 6 + 9 + 0 + 5 + 6 = 666.
64069056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×640690562 = 8209687873462272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 64069056.
It is a congruent number.
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 19 ways as a sum of consecutive naturals, for example, 87765 + ... + 88491.
Almost surely, 264069056 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64069056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100684584).
64069056 is an abundant number, since it is smaller than the sum of its proper divisors (137300112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64069056 is a wasteful number, since it uses less digits than its factorization.
64069056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 768 (or 749 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 64069056 is about 8004.3148363867. The cubic root of 64069056 is about 400.1438149536.
It can be divided in two parts, 640 and 69056, that added together give a palindrome (69696).
The spelling of 64069056 in words is "sixty-four million, sixty-nine thousand, fifty-six".
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