Base | Representation |
---|---|
bin | 1111011101001… |
… | …1101101101011 |
3 | 11111222201110210 |
4 | 3313103231223 |
5 | 113044032230 |
6 | 10233312203 |
7 | 1415022444 |
oct | 367235553 |
9 | 144881423 |
10 | 64830315 |
11 | 3365aa80 |
12 | 19865663 |
13 | 1057b744 |
14 | 88782cb |
15 | 5a58eb0 |
hex | 3dd3b6b |
64830315 has 16 divisors (see below), whose sum is σ = 113158656. Its totient is φ = 31432800.
The previous prime is 64830301. The next prime is 64830317. The reversal of 64830315 is 51303846.
It is not a de Polignac number, because 64830315 - 27 = 64830187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64830317) 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, 196291 + ... + 196620.
It is an arithmetic number, because the mean of its divisors is an integer number (7072416).
Almost surely, 264830315 is an apocalyptic number.
64830315 is a deficient number, since it is larger than the sum of its proper divisors (48328341).
64830315 is a wasteful number, since it uses less digits than its factorization.
64830315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392930.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 64830315 is about 8051.7274544038. The cubic root of 64830315 is about 401.7223956544.
The spelling of 64830315 in words is "sixty-four million, eight hundred thirty thousand, three hundred fifteen".
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