Base | Representation |
---|---|
bin | 1011001110011… |
… | …1000101011111 |
3 | 10021121002221002 |
4 | 2303213011133 |
5 | 44023140441 |
6 | 4401100515 |
7 | 1111130522 |
oct | 263470537 |
9 | 107532832 |
10 | 47083871 |
11 | 2463989a |
12 | 1392773b |
13 | 99a6ca3 |
14 | 6378bb9 |
15 | 4200b9b |
hex | 2ce715f |
47083871 has 4 divisors (see below), whose sum is σ = 47097600. Its totient is φ = 47070144.
The previous prime is 47083847. The next prime is 47083879. The reversal of 47083871 is 17838074.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 47083871 - 214 = 47067487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47083879) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170 + ... + 10208.
It is an arithmetic number, because the mean of its divisors is an integer number (11774400).
Almost surely, 247083871 is an apocalyptic number.
47083871 is a deficient number, since it is larger than the sum of its proper divisors (13729).
47083871 is an equidigital number, since it uses as much as digits as its factorization.
47083871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13728.
The product of its (nonzero) digits is 37632, while the sum is 38.
The square root of 47083871 is about 6861.7687952889. The cubic root of 47083871 is about 361.0971441769.
The spelling of 47083871 in words is "forty-seven million, eighty-three thousand, eight hundred seventy-one".
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