Base | Representation |
---|---|
bin | 1011010111111… |
… | …1100011111101 |
3 | 10022202211122021 |
4 | 2311333203331 |
5 | 44203132123 |
6 | 4422320141 |
7 | 1116341404 |
oct | 265774375 |
9 | 108684567 |
10 | 47708413 |
11 | 24a26045 |
12 | 13b89051 |
13 | 9b6533c |
14 | 649c63b |
15 | 42c5c5d |
hex | 2d7f8fd |
47708413 has 2 divisors, whose sum is σ = 47708414. Its totient is φ = 47708412.
The previous prime is 47708407. The next prime is 47708447. The reversal of 47708413 is 31480774.
It is an a-pointer prime, because the next prime (47708447) can be obtained adding 47708413 to its sum of digits (34).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47706649 + 1764 = 6907^2 + 42^2 .
It is a cyclic number.
It is not a de Polignac number, because 47708413 - 225 = 14153981 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47708513) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23854206 + 23854207.
It is an arithmetic number, because the mean of its divisors is an integer number (23854207).
Almost surely, 247708413 is an apocalyptic number.
It is an amenable number.
47708413 is a deficient number, since it is larger than the sum of its proper divisors (1).
47708413 is an equidigital number, since it uses as much as digits as its factorization.
47708413 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 47708413 is about 6907.1276953593. The cubic root of 47708413 is about 362.6867223529.
The spelling of 47708413 in words is "forty-seven million, seven hundred eight thousand, four hundred thirteen".
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