Base | Representation |
---|---|
bin | 1011011001111… |
… | …1011111011001 |
3 | 10100000111000222 |
4 | 2312133133121 |
5 | 44221323233 |
6 | 4425205425 |
7 | 1120424603 |
oct | 266373731 |
9 | 110014028 |
10 | 47839193 |
11 | 25005326 |
12 | 14030875 |
13 | 9baca1c |
14 | 64d4173 |
15 | 42ee898 |
hex | 2d9f7d9 |
47839193 has 2 divisors, whose sum is σ = 47839194. Its totient is φ = 47839192.
The previous prime is 47839159. The next prime is 47839199. The reversal of 47839193 is 39193874.
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., 26337424 + 21501769 = 5132^2 + 4637^2 .
It is a cyclic number.
It is not a de Polignac number, because 47839193 - 28 = 47838937 is a prime.
It is not a weakly prime, because it can be changed into another prime (47839199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23919596 + 23919597.
It is an arithmetic number, because the mean of its divisors is an integer number (23919597).
Almost surely, 247839193 is an apocalyptic number.
It is an amenable number.
47839193 is a deficient number, since it is larger than the sum of its proper divisors (1).
47839193 is an equidigital number, since it uses as much as digits as its factorization.
47839193 is an evil number, because the sum of its binary digits is even.
The product of its digits is 163296, while the sum is 44.
The square root of 47839193 is about 6916.5882485514. The cubic root of 47839193 is about 363.0178232464.
The spelling of 47839193 in words is "forty-seven million, eight hundred thirty-nine thousand, one hundred ninety-three".
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