Base | Representation |
---|---|
bin | 1011001111110… |
… | …0010111101001 |
3 | 10021202112111220 |
4 | 2303330113221 |
5 | 44033433144 |
6 | 4403012253 |
7 | 1111642632 |
oct | 263742751 |
9 | 107675456 |
10 | 47171049 |
11 | 24699342 |
12 | 1396a089 |
13 | 9a07883 |
14 | 639c889 |
15 | 421b919 |
hex | 2cfc5e9 |
47171049 has 8 divisors (see below), whose sum is σ = 62927232. Its totient is φ = 31431120.
The previous prime is 47171021. The next prime is 47171071. The reversal of 47171049 is 94017174.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47171049 - 28 = 47170793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47171009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7072 + ... + 12014.
It is an arithmetic number, because the mean of its divisors is an integer number (7865904).
Almost surely, 247171049 is an apocalyptic number.
It is an amenable number.
47171049 is a deficient number, since it is larger than the sum of its proper divisors (15756183).
47171049 is a wasteful number, since it uses less digits than its factorization.
47171049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8127.
The product of its (nonzero) digits is 7056, while the sum is 33.
The square root of 47171049 is about 6868.1183012525. The cubic root of 47171049 is about 361.3198695490.
The spelling of 47171049 in words is "forty-seven million, one hundred seventy-one thousand, forty-nine".
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