Base | Representation |
---|---|
bin | 1011011001011… |
… | …1011111001101 |
3 | 10022221211001220 |
4 | 2312113133031 |
5 | 44214301123 |
6 | 4424353553 |
7 | 1120230204 |
oct | 266273715 |
9 | 108854056 |
10 | 47806413 |
11 | 24a92736 |
12 | 140158b9 |
13 | 9b9ab25 |
14 | 64c623b |
15 | 42e4ce3 |
hex | 2d977cd |
47806413 has 16 divisors (see below), whose sum is σ = 69412800. Its totient is φ = 29151360.
The previous prime is 47806403. The next prime is 47806417. The reversal of 47806413 is 31460874.
It is not a de Polignac number, because 47806413 - 26 = 47806349 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47806417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12808 + ... + 16113.
It is an arithmetic number, because the mean of its divisors is an integer number (4338300).
Almost surely, 247806413 is an apocalyptic number.
It is an amenable number.
47806413 is a deficient number, since it is larger than the sum of its proper divisors (21606387).
47806413 is a wasteful number, since it uses less digits than its factorization.
47806413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28972.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 47806413 is about 6914.2181770609. The cubic root of 47806413 is about 362.9348895507.
The spelling of 47806413 in words is "forty-seven million, eight hundred six thousand, four hundred thirteen".
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