Base | Representation |
---|---|
bin | 1011011011100… |
… | …1010001011001 |
3 | 10100012211220002 |
4 | 2312321101121 |
5 | 44233213133 |
6 | 4431342345 |
7 | 1121344511 |
oct | 266712131 |
9 | 110184802 |
10 | 47944793 |
11 | 250776a6 |
12 | 140819b5 |
13 | 9c18b00 |
14 | 6520841 |
15 | 4320ce8 |
hex | 2db9459 |
47944793 has 6 divisors (see below), whose sum is σ = 51916734. Its totient is φ = 44256576.
The previous prime is 47944789. The next prime is 47944823. The reversal of 47944793 is 39744974.
It can be written as a sum of positive squares in 3 ways, for example, as 238144 + 47706649 = 488^2 + 6907^2 .
It is not a de Polignac number, because 47944793 - 22 = 47944789 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47944723) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141680 + ... + 142017.
It is an arithmetic number, because the mean of its divisors is an integer number (8652789).
Almost surely, 247944793 is an apocalyptic number.
It is an amenable number.
47944793 is a deficient number, since it is larger than the sum of its proper divisors (3971941).
47944793 is a wasteful number, since it uses less digits than its factorization.
47944793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283723 (or 283710 counting only the distinct ones).
The product of its digits is 762048, while the sum is 47.
The square root of 47944793 is about 6924.2178619682. The cubic root of 47944793 is about 363.2847348703.
The spelling of 47944793 in words is "forty-seven million, nine hundred forty-four thousand, seven hundred ninety-three".
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