Base | Representation |
---|---|
bin | 1011001101111… |
… | …0000110011001 |
3 | 10021112020102220 |
4 | 2303132012121 |
5 | 44021001230 |
6 | 4400214253 |
7 | 1110615312 |
oct | 263360631 |
9 | 107466386 |
10 | 47047065 |
11 | 2461417a |
12 | 1390a389 |
13 | 9993300 |
14 | 6369609 |
15 | 41e4d10 |
hex | 2cde199 |
47047065 has 48 divisors (see below), whose sum is σ = 83026368. Its totient is φ = 22733568.
The previous prime is 47047027. The next prime is 47047067. The reversal of 47047065 is 56074074.
It is not a de Polignac number, because 47047065 - 29 = 47046553 is a prime.
It is a super-2 number, since 2×470470652 = 4426852650228450, which contains 22 as substring.
It is a nialpdrome in base 13.
It is a zygodrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (47047067) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169707 + ... + 169983.
It is an arithmetic number, because the mean of its divisors is an integer number (1729716).
Almost surely, 247047065 is an apocalyptic number.
It is an amenable number.
47047065 is a deficient number, since it is larger than the sum of its proper divisors (35979303).
47047065 is a wasteful number, since it uses less digits than its factorization.
47047065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378 (or 365 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 33.
The square root of 47047065 is about 6859.0863094147. The cubic root of 47047065 is about 361.0030283942.
The spelling of 47047065 in words is "forty-seven million, forty-seven thousand, sixty-five".
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