Base | Representation |
---|---|
bin | 1011010011110… |
… | …1100110000100 |
3 | 10022021002222211 |
4 | 2310331212010 |
5 | 44121010322 |
6 | 4412433204 |
7 | 1114134553 |
oct | 264754604 |
9 | 108232884 |
10 | 47438212 |
11 | 24861038 |
12 | 13a78804 |
13 | 9a9c363 |
14 | 642bd9a |
15 | 4270b77 |
hex | 2d3d984 |
47438212 has 24 divisors (see below), whose sum is σ = 87645600. Its totient is φ = 22404096.
The previous prime is 47438203. The next prime is 47438219. The reversal of 47438212 is 21283474.
47438212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (47438219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32964 + ... + 34372.
It is an arithmetic number, because the mean of its divisors is an integer number (3651900).
Almost surely, 247438212 is an apocalyptic number.
It is an amenable number.
47438212 is a deficient number, since it is larger than the sum of its proper divisors (40207388).
47438212 is a wasteful number, since it uses less digits than its factorization.
47438212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1875 (or 1873 counting only the distinct ones).
The product of its digits is 10752, while the sum is 31.
The square root of 47438212 is about 6887.5403447094. The cubic root of 47438212 is about 362.0007224022. Note that the first 3 decimals are identical.
The spelling of 47438212 in words is "forty-seven million, four hundred thirty-eight thousand, two hundred twelve".
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