Base | Representation |
---|---|
bin | 1011010011110… |
… | …1101110101011 |
3 | 10022021010202020 |
4 | 2310331232223 |
5 | 44121020023 |
6 | 4412435523 |
7 | 1114136301 |
oct | 264755653 |
9 | 108233666 |
10 | 47438763 |
11 | 24861499 |
12 | 13a78ba3 |
13 | 9a9c698 |
14 | 642c271 |
15 | 4270de3 |
hex | 2d3dbab |
47438763 has 32 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 28604160.
The previous prime is 47438753. The next prime is 47438767. The reversal of 47438763 is 36783474.
It is not a de Polignac number, because 47438763 - 28 = 47438507 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (47438767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123670 + ... + 124052.
It is an arithmetic number, because the mean of its divisors is an integer number (2177280).
Almost surely, 247438763 is an apocalyptic number.
47438763 is a deficient number, since it is larger than the sum of its proper divisors (22234197).
47438763 is a wasteful number, since it uses less digits than its factorization.
47438763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499.
The product of its digits is 338688, while the sum is 42.
The square root of 47438763 is about 6887.5803443590. The cubic root of 47438763 is about 362.0021239561.
The spelling of 47438763 in words is "forty-seven million, four hundred thirty-eight thousand, seven hundred sixty-three".
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