Base | Representation |
---|---|
bin | 1111011100111… |
… | …0011000010000 |
3 | 11111221121111111 |
4 | 3313032120100 |
5 | 113042332324 |
6 | 10233023104 |
7 | 1414601650 |
oct | 367163020 |
9 | 144847444 |
10 | 64808464 |
11 | 33645616 |
12 | 19854a94 |
13 | 10571806 |
14 | 8870360 |
15 | 5a52794 |
hex | 3dce610 |
64808464 has 20 divisors (see below), whose sum is σ = 143504704. Its totient is φ = 27775008.
The previous prime is 64808399. The next prime is 64808467. The reversal of 64808464 is 46480846.
64808464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (64808467) by changing a digit.
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, 289212 + ... + 289435.
Almost surely, 264808464 is an apocalyptic number.
It is an amenable number.
64808464 is an abundant number, since it is smaller than the sum of its proper divisors (78696240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64808464 is a wasteful number, since it uses less digits than its factorization.
64808464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578662 (or 578656 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 40.
The square root of 64808464 is about 8050.3704262599. The cubic root of 64808464 is about 401.6772571907.
The spelling of 64808464 in words is "sixty-four million, eight hundred eight thousand, four hundred sixty-four".
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