Base | Representation |
---|---|
bin | 1011010101001… |
… | …1101000011000 |
3 | 10022102200210210 |
4 | 2311103220120 |
5 | 44131402342 |
6 | 4414411120 |
7 | 1114661655 |
oct | 265235030 |
9 | 108380723 |
10 | 47528472 |
11 | 24912932 |
12 | 13b00aa0 |
13 | 9b01474 |
14 | 6452c2c |
15 | 428c79c |
hex | 2d53a18 |
47528472 has 16 divisors (see below), whose sum is σ = 118821240. Its totient is φ = 15842816.
The previous prime is 47528449. The next prime is 47528489. The reversal of 47528472 is 27482574.
It is a self number, because there is not a number n which added to its sum of digits gives 47528472.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990153 + ... + 990200.
Almost surely, 247528472 is an apocalyptic number.
It is an amenable number.
47528472 is an abundant number, since it is smaller than the sum of its proper divisors (71292768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47528472 is a wasteful number, since it uses less digits than its factorization.
47528472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1980362 (or 1980358 counting only the distinct ones).
The product of its digits is 125440, while the sum is 39.
The square root of 47528472 is about 6894.0896425852. The cubic root of 47528472 is about 362.2301681226.
The spelling of 47528472 in words is "forty-seven million, five hundred twenty-eight thousand, four hundred seventy-two".
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