Base | Representation |
---|---|
bin | 1011010100011… |
… | …0011100101000 |
3 | 10022022221201210 |
4 | 2311012130220 |
5 | 44123140342 |
6 | 4413313120 |
7 | 1114345353 |
oct | 265063450 |
9 | 108287653 |
10 | 47474472 |
11 | 24886301 |
12 | 13a957a0 |
13 | 9ab2a06 |
14 | 643b29a |
15 | 427b79c |
hex | 2d46728 |
47474472 has 32 divisors (see below), whose sum is σ = 125668800. Its totient is φ = 14893824.
The previous prime is 47474467. The next prime is 47474491. The reversal of 47474472 is 27447474.
It is a self number, because there is not a number n which added to its sum of digits gives 47474472.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57772 + ... + 58587.
It is an arithmetic number, because the mean of its divisors is an integer number (3927150).
Almost surely, 247474472 is an apocalyptic number.
It is an amenable number.
47474472 is an abundant number, since it is smaller than the sum of its proper divisors (78194328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47474472 is a wasteful number, since it uses less digits than its factorization.
47474472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116385 (or 116381 counting only the distinct ones).
The product of its digits is 175616, while the sum is 39.
The square root of 47474472 is about 6890.1721313767. The cubic root of 47474472 is about 362.0929321960.
The spelling of 47474472 in words is "forty-seven million, four hundred seventy-four thousand, four hundred seventy-two".
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