Base | Representation |
---|---|
bin | 1011010111010… |
… | …1111010000100 |
3 | 10022200211101122 |
4 | 2311311322010 |
5 | 44200400433 |
6 | 4421413112 |
7 | 1116115202 |
oct | 265657204 |
9 | 108624348 |
10 | 47668868 |
11 | 249a9365 |
12 | 13b6a198 |
13 | 9b50340 |
14 | 648c072 |
15 | 42b9198 |
hex | 2d75e84 |
47668868 has 24 divisors (see below), whose sum is σ = 90063960. Its totient is φ = 21945600.
The previous prime is 47668813. The next prime is 47668883. The reversal of 47668868 is 86886674.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1183744 + 46485124 = 1088^2 + 6818^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25568 + ... + 27368.
It is an arithmetic number, because the mean of its divisors is an integer number (3752665).
Almost surely, 247668868 is an apocalyptic number.
It is an amenable number.
47668868 is a deficient number, since it is larger than the sum of its proper divisors (42395092).
47668868 is a wasteful number, since it uses less digits than its factorization.
47668868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2327 (or 2325 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 53.
The square root of 47668868 is about 6904.2644792910. The cubic root of 47668868 is about 362.5864855873.
The spelling of 47668868 in words is "forty-seven million, six hundred sixty-eight thousand, eight hundred sixty-eight".
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