Base | Representation |
---|---|
bin | 100110011001… |
… | …0110000101011 |
3 | 1101212202100101 |
4 | 1030302300223 |
5 | 20123141414 |
6 | 1555250231 |
7 | 333052360 |
oct | 114626053 |
9 | 41782311 |
10 | 20130859 |
11 | 103aa681 |
12 | 68a9977 |
13 | 422ab68 |
14 | 2960467 |
15 | 1b79a74 |
hex | 1332c2b |
20130859 has 16 divisors (see below), whose sum is σ = 23731200. Its totient is φ = 16720704.
The previous prime is 20130841. The next prime is 20130881. The reversal of 20130859 is 95803102.
It is not a de Polignac number, because 20130859 - 219 = 19606571 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20130829) 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, 32319 + ... + 32935.
It is an arithmetic number, because the mean of its divisors is an integer number (1483200).
Almost surely, 220130859 is an apocalyptic number.
20130859 is a deficient number, since it is larger than the sum of its proper divisors (3600341).
20130859 is an equidigital number, since it uses as much as digits as its factorization.
20130859 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 20130859 is about 4486.7425823196. The cubic root of 20130859 is about 272.0324851268.
The spelling of 20130859 in words is "twenty million, one hundred thirty thousand, eight hundred fifty-nine".
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