Base | Representation |
---|---|
bin | 100000001001… |
… | …101100011011 |
3 | 120212012110211 |
4 | 200021230123 |
5 | 4124201230 |
6 | 500351551 |
7 | 131432230 |
oct | 40115433 |
9 | 16765424 |
10 | 8428315 |
11 | 4837355 |
12 | 29a55b7 |
13 | 199138c |
14 | 1195787 |
15 | b1742a |
hex | 809b1b |
8428315 has 16 divisors (see below), whose sum is σ = 11616192. Its totient is φ = 5750784.
The previous prime is 8428313. The next prime is 8428319. The reversal of 8428315 is 5138248.
It is a cyclic number.
It is not a de Polignac number, because 8428315 - 21 = 8428313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8428313) 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, 8527 + ... + 9463.
It is an arithmetic number, because the mean of its divisors is an integer number (726012).
Almost surely, 28428315 is an apocalyptic number.
8428315 is a deficient number, since it is larger than the sum of its proper divisors (3187877).
8428315 is a wasteful number, since it uses less digits than its factorization.
8428315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1206.
The product of its digits is 7680, while the sum is 31.
The square root of 8428315 is about 2903.1560412765. The cubic root of 8428315 is about 203.5074220500.
The spelling of 8428315 in words is "eight million, four hundred twenty-eight thousand, three hundred fifteen".
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