Base | Representation |
---|---|
bin | 1011010100011… |
… | …0100101101001 |
3 | 10022022222112011 |
4 | 2311012211221 |
5 | 44123200144 |
6 | 4413315521 |
7 | 1114350136 |
oct | 265064551 |
9 | 108288464 |
10 | 47475049 |
11 | 24886786 |
12 | 13a95ba1 |
13 | 9ab305b |
14 | 643b58d |
15 | 427ba34 |
hex | 2d46969 |
47475049 has 2 divisors, whose sum is σ = 47475050. Its totient is φ = 47475048.
The previous prime is 47475047. The next prime is 47475119. The reversal of 47475049 is 94057474.
47475049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47403225 + 71824 = 6885^2 + 268^2 .
It is a cyclic number.
It is not a de Polignac number, because 47475049 - 21 = 47475047 is a prime.
Together with 47475047, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (47475047) 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 as a sum of consecutive naturals, namely, 23737524 + 23737525.
It is an arithmetic number, because the mean of its divisors is an integer number (23737525).
Almost surely, 247475049 is an apocalyptic number.
It is an amenable number.
47475049 is a deficient number, since it is larger than the sum of its proper divisors (1).
47475049 is an equidigital number, since it uses as much as digits as its factorization.
47475049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 47475049 is about 6890.2140024821. The cubic root of 47475049 is about 362.0943991372.
The spelling of 47475049 in words is "forty-seven million, four hundred seventy-five thousand, forty-nine".
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