Base | Representation |
---|---|
bin | 1010001101110… |
… | …0110011010001 |
3 | 2222121212122021 |
4 | 2203130303101 |
5 | 41432104231 |
6 | 4130211441 |
7 | 1030124440 |
oct | 243346321 |
9 | 88555567 |
10 | 42847441 |
11 | 22205a0a |
12 | 12423b81 |
13 | 8b52920 |
14 | 5994d57 |
15 | 3b65811 |
hex | 28dccd1 |
42847441 has 16 divisors (see below), whose sum is σ = 52948224. Its totient is φ = 33764544.
The previous prime is 42847439. The next prime is 42847447. The reversal of 42847441 is 14474824.
42847441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 42847441 - 21 = 42847439 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42847397 and 42847406.
It is not an unprimeable number, because it can be changed into a prime (42847447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25860 + ... + 27466.
It is an arithmetic number, because the mean of its divisors is an integer number (3309264).
Almost surely, 242847441 is an apocalyptic number.
It is an amenable number.
42847441 is a deficient number, since it is larger than the sum of its proper divisors (10100783).
42847441 is a wasteful number, since it uses less digits than its factorization.
42847441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1920.
The product of its digits is 28672, while the sum is 34.
The square root of 42847441 is about 6545.7956735602. The cubic root of 42847441 is about 349.9249934507.
The spelling of 42847441 in words is "forty-two million, eight hundred forty-seven thousand, four hundred forty-one".
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