Base | Representation |
---|---|
bin | 1111010100111… |
… | …1010100000101 |
3 | 11110222011120020 |
4 | 3311033110011 |
5 | 112424204010 |
6 | 10213525353 |
7 | 1410303405 |
oct | 365172405 |
9 | 143864506 |
10 | 64288005 |
11 | 3331a591 |
12 | 19643859 |
13 | 1041b952 |
14 | 8776805 |
15 | 599d470 |
hex | 3d4f505 |
64288005 has 16 divisors (see below), whose sum is σ = 102985344. Its totient is φ = 34245440.
The previous prime is 64287997. The next prime is 64288031. The reversal of 64288005 is 50088246.
It is not a de Polignac number, because 64288005 - 23 = 64287997 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13387 + ... + 17543.
It is an arithmetic number, because the mean of its divisors is an integer number (6436584).
Almost surely, 264288005 is an apocalyptic number.
It is an amenable number.
64288005 is a deficient number, since it is larger than the sum of its proper divisors (38697339).
64288005 is a wasteful number, since it uses less digits than its factorization.
64288005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5196.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 64288005 is about 8017.9801072340. The cubic root of 64288005 is about 400.5991126288.
The spelling of 64288005 in words is "sixty-four million, two hundred eighty-eight thousand, five".
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