Base | Representation |
---|---|
bin | 1011011001111… |
… | …1001101101101 |
3 | 10100000102111001 |
4 | 2312133031231 |
5 | 44221304221 |
6 | 4425200301 |
7 | 1120421365 |
oct | 266371555 |
9 | 110012431 |
10 | 47838061 |
11 | 25004497 |
12 | 14030091 |
13 | 9bac35b |
14 | 64d39a5 |
15 | 42ee391 |
hex | 2d9f36d |
47838061 has 2 divisors, whose sum is σ = 47838062. Its totient is φ = 47838060.
The previous prime is 47838047. The next prime is 47838073. The reversal of 47838061 is 16083874.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42575625 + 5262436 = 6525^2 + 2294^2 .
It is a cyclic number.
It is not a de Polignac number, because 47838061 - 29 = 47837549 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 47838061.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47838031) 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 as a sum of consecutive naturals, namely, 23919030 + 23919031.
It is an arithmetic number, because the mean of its divisors is an integer number (23919031).
Almost surely, 247838061 is an apocalyptic number.
It is an amenable number.
47838061 is a deficient number, since it is larger than the sum of its proper divisors (1).
47838061 is an equidigital number, since it uses as much as digits as its factorization.
47838061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 47838061 is about 6916.5064158143. The cubic root of 47838061 is about 363.0149599078.
The spelling of 47838061 in words is "forty-seven million, eight hundred thirty-eight thousand, sixty-one".
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