Base | Representation |
---|---|
bin | 1111011100010… |
… | …0100011110101 |
3 | 11111212120022220 |
4 | 3313010203311 |
5 | 113040040440 |
6 | 10232112553 |
7 | 1414343463 |
oct | 367044365 |
9 | 144776286 |
10 | 64768245 |
11 | 33618383 |
12 | 19835759 |
13 | 10559409 |
14 | 885d833 |
15 | 5a458d0 |
hex | 3dc48f5 |
64768245 has 16 divisors (see below), whose sum is σ = 109083840. Its totient is φ = 32724864.
The previous prime is 64768219. The next prime is 64768247. The reversal of 64768245 is 54286746.
It is not a de Polignac number, because 64768245 - 211 = 64766197 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64768197 and 64768206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64768247) 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, 113344 + ... + 113913.
It is an arithmetic number, because the mean of its divisors is an integer number (6817740).
Almost surely, 264768245 is an apocalyptic number.
It is an amenable number.
64768245 is a deficient number, since it is larger than the sum of its proper divisors (44315595).
64768245 is a wasteful number, since it uses less digits than its factorization.
64768245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227284.
The product of its digits is 322560, while the sum is 42.
The square root of 64768245 is about 8047.8720790032. The cubic root of 64768245 is about 401.5941487014.
The spelling of 64768245 in words is "sixty-four million, seven hundred sixty-eight thousand, two hundred forty-five".
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