Base | Representation |
---|---|
bin | 1011011010011… |
… | …0101110111010 |
3 | 10100001222201200 |
4 | 2312212232322 |
5 | 44223300413 |
6 | 4425555030 |
7 | 1120610232 |
oct | 266465672 |
9 | 110058650 |
10 | 47868858 |
11 | 25025644 |
12 | 14045a76 |
13 | 9bc038b |
14 | 6500cc2 |
15 | 4308573 |
hex | 2da6bba |
47868858 has 24 divisors (see below), whose sum is σ = 105674868. Its totient is φ = 15654912.
The previous prime is 47868851. The next prime is 47868859. The reversal of 47868858 is 85886874.
It can be written as a sum of positive squares in 2 ways, for example, as 36759969 + 11108889 = 6063^2 + 3333^2 .
It is not an unprimeable number, because it can be changed into a prime (47868851) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24135 + ... + 26042.
Almost surely, 247868858 is an apocalyptic number.
47868858 is an abundant number, since it is smaller than the sum of its proper divisors (57806010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47868858 is a wasteful number, since it uses less digits than its factorization.
47868858 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50238 (or 50235 counting only the distinct ones).
The product of its digits is 3440640, while the sum is 54.
The square root of 47868858 is about 6918.7323983516. The cubic root of 47868858 is about 363.0928433146.
The spelling of 47868858 in words is "forty-seven million, eight hundred sixty-eight thousand, eight hundred fifty-eight".
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