Base | Representation |
---|---|
bin | 1011010111110… |
… | …0100001100100 |
3 | 10022202012120111 |
4 | 2311330201210 |
5 | 44202232342 |
6 | 4422142404 |
7 | 1116260212 |
oct | 265744144 |
9 | 108665514 |
10 | 47695972 |
11 | 24a17765 |
12 | 13b81a04 |
13 | 9b5c78c |
14 | 6497cb2 |
15 | 42c2217 |
hex | 2d7c864 |
47695972 has 24 divisors (see below), whose sum is σ = 85644216. Its totient is φ = 23232768.
The previous prime is 47695957. The next prime is 47695979. The reversal of 47695972 is 27959674.
47695972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 14333796 + 33362176 = 3786^2 + 5776^2 .
It is not an unprimeable number, because it can be changed into a prime (47695979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32568 + ... + 34000.
It is an arithmetic number, because the mean of its divisors is an integer number (3568509).
Almost surely, 247695972 is an apocalyptic number.
It is an amenable number.
47695972 is a deficient number, since it is larger than the sum of its proper divisors (37948244).
47695972 is a wasteful number, since it uses less digits than its factorization.
47695972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1647 (or 1645 counting only the distinct ones).
The product of its digits is 952560, while the sum is 49.
The square root of 47695972 is about 6906.2270452107. The cubic root of 47695972 is about 362.6551934778.
The spelling of 47695972 in words is "forty-seven million, six hundred ninety-five thousand, nine hundred seventy-two".
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