Base | Representation |
---|---|
bin | 1111011100111… |
… | …0011100101100 |
3 | 11111221121220000 |
4 | 3313032130230 |
5 | 113042334443 |
6 | 10233024300 |
7 | 1414602534 |
oct | 367163454 |
9 | 144847800 |
10 | 64808748 |
11 | 33645854 |
12 | 19855090 |
13 | 10571994 |
14 | 88704c4 |
15 | 5a528d3 |
hex | 3dce72c |
64808748 has 60 divisors (see below), whose sum is σ = 170226672. Its totient is φ = 21500640.
The previous prime is 64808671. The next prime is 64808749. The reversal of 64808748 is 84780846.
It is not an unprimeable number, because it can be changed into a prime (64808749) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102393 + ... + 103023.
Almost surely, 264808748 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 64808748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85113336).
64808748 is an abundant number, since it is smaller than the sum of its proper divisors (105417924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64808748 is a wasteful number, since it uses less digits than its factorization.
64808748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 964 (or 953 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 45.
The square root of 64808748 is about 8050.3880651805. The cubic root of 64808748 is about 401.6778439257.
It can be divided in two parts, 64808 and 748, that added together give a palindrome (65556).
The spelling of 64808748 in words is "sixty-four million, eight hundred eight thousand, seven hundred forty-eight".
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