Base | Representation |
---|---|
bin | 1011011001110… |
… | …1100000010000 |
3 | 10100000001212121 |
4 | 2312131200100 |
5 | 44221043211 |
6 | 4425104024 |
7 | 1120362100 |
oct | 266354020 |
9 | 110001777 |
10 | 47831056 |
11 | 24aaa1a9 |
12 | 14028014 |
13 | 9ba9100 |
14 | 64d1200 |
15 | 42ec271 |
hex | 2d9d810 |
47831056 has 135 divisors (see below), whose sum is σ = 123200541. Its totient is φ = 17926272.
The previous prime is 47831027. The next prime is 47831059. The reversal of 47831056 is 65013874.
The square root of 47831056 is 6916.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 7075600 + 40755456 = 2660^2 + 6384^2 .
It is not an unprimeable number, because it can be changed into a prime (47831059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2517415 + ... + 2517433.
Almost surely, 247831056 is an apocalyptic number.
47831056 is the 6916-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47831056
47831056 is an abundant number, since it is smaller than the sum of its proper divisors (75369485).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47831056 is a wasteful number, since it uses less digits than its factorization.
47831056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86 (or 41 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The cubic root of 47831056 is about 362.9972400987.
The spelling of 47831056 in words is "forty-seven million, eight hundred thirty-one thousand, fifty-six".
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