Base | Representation |
---|---|
bin | 1011010010011… |
… | …1010101101001 |
3 | 10022002110221102 |
4 | 2310213111221 |
5 | 44110101144 |
6 | 4410451145 |
7 | 1113305021 |
oct | 264472551 |
9 | 108073842 |
10 | 47347049 |
11 | 247a95a2 |
12 | 13a33ab5 |
13 | 9a69a09 |
14 | 6406a81 |
15 | 4253b4e |
hex | 2d27569 |
47347049 has 2 divisors, whose sum is σ = 47347050. Its totient is φ = 47347048.
The previous prime is 47347039. The next prime is 47347051. The reversal of 47347049 is 94074374.
It is a happy number.
47347049 is nontrivially palindromic in base 5.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45657049 + 1690000 = 6757^2 + 1300^2 .
It is a cyclic number.
It is not a de Polignac number, because 47347049 - 24 = 47347033 is a prime.
Together with 47347051, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (47347019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23673524 + 23673525.
It is an arithmetic number, because the mean of its divisors is an integer number (23673525).
Almost surely, 247347049 is an apocalyptic number.
It is an amenable number.
47347049 is a deficient number, since it is larger than the sum of its proper divisors (1).
47347049 is an equidigital number, since it uses as much as digits as its factorization.
47347049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 38.
The square root of 47347049 is about 6880.9191973166. The cubic root of 47347049 is about 361.7686855928.
The spelling of 47347049 in words is "forty-seven million, three hundred forty-seven thousand, forty-nine".
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