Base | Representation |
---|---|
bin | 1011010000101… |
… | …0111000011011 |
3 | 10021212120001110 |
4 | 2310022320123 |
5 | 44042333431 |
6 | 4404151403 |
7 | 1112311140 |
oct | 264127033 |
9 | 107776043 |
10 | 47230491 |
11 | 24729a70 |
12 | 13998563 |
13 | 9a28949 |
14 | 63b63c7 |
15 | 422e346 |
hex | 2d0ae1b |
47230491 has 16 divisors (see below), whose sum is σ = 78513408. Its totient is φ = 24535200.
The previous prime is 47230487. The next prime is 47230499. The reversal of 47230491 is 19403274.
It is a happy number.
47230491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47230491 - 22 = 47230487 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47230499) 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 15 ways as a sum of consecutive naturals, for example, 102000 + ... + 102461.
It is an arithmetic number, because the mean of its divisors is an integer number (4907088).
Almost surely, 247230491 is an apocalyptic number.
47230491 is a deficient number, since it is larger than the sum of its proper divisors (31282917).
47230491 is a wasteful number, since it uses less digits than its factorization.
47230491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204482.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 47230491 is about 6872.4443249837. Note that the first 3 decimals coincide. The cubic root of 47230491 is about 361.4715767287.
The spelling of 47230491 in words is "forty-seven million, two hundred thirty thousand, four hundred ninety-one".
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