Base | Representation |
---|---|
bin | 111011010010100111001 |
3 | 10122201002002 |
4 | 13122110321 |
5 | 444132331 |
6 | 105350345 |
7 | 22341155 |
oct | 7322471 |
9 | 3581062 |
10 | 1942841 |
11 | 110775a |
12 | 7983b5 |
13 | 530414 |
14 | 388065 |
15 | 2859cb |
hex | 1da539 |
1942841 has 2 divisors, whose sum is σ = 1942842. Its totient is φ = 1942840.
The previous prime is 1942793. The next prime is 1942859. The reversal of 1942841 is 1482491.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1000000 + 942841 = 1000^2 + 971^2 .
It is an emirp because it is prime and its reverse (1482491) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1942841 - 218 = 1680697 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1942891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971420 + 971421.
It is an arithmetic number, because the mean of its divisors is an integer number (971421).
21942841 is an apocalyptic number.
It is an amenable number.
1942841 is a deficient number, since it is larger than the sum of its proper divisors (1).
1942841 is an equidigital number, since it uses as much as digits as its factorization.
1942841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2304, while the sum is 29.
The square root of 1942841 is about 1393.8583141769. The cubic root of 1942841 is about 124.7802218068.
The spelling of 1942841 in words is "one million, nine hundred forty-two thousand, eight hundred forty-one".
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