Base | Representation |
---|---|
bin | 1011010111110… |
… | …0111101001010 |
3 | 10022202021222220 |
4 | 2311330331022 |
5 | 44202311423 |
6 | 4422154510 |
7 | 1116265314 |
oct | 265747512 |
9 | 108667886 |
10 | 47697738 |
11 | 24a19020 |
12 | 13b82a36 |
13 | 9b6051a |
14 | 64987b4 |
15 | 42c29e3 |
hex | 2d7cf4a |
47697738 has 32 divisors (see below), whose sum is σ = 104483520. Its totient is φ = 14396160.
The previous prime is 47697701. The next prime is 47697739. The reversal of 47697738 is 83779674.
It is not an unprimeable number, because it can be changed into a prime (47697739) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16978 + ... + 19586.
It is an arithmetic number, because the mean of its divisors is an integer number (3265110).
Almost surely, 247697738 is an apocalyptic number.
47697738 is an abundant number, since it is smaller than the sum of its proper divisors (56785782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47697738 is a wasteful number, since it uses less digits than its factorization.
47697738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2902.
The product of its digits is 1778112, while the sum is 51.
The square root of 47697738 is about 6906.3548996558. The cubic root of 47697738 is about 362.6596693356.
The spelling of 47697738 in words is "forty-seven million, six hundred ninety-seven thousand, seven hundred thirty-eight".
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