Base | Representation |
---|---|
bin | 111110010110000001101 |
3 | 10211210022201 |
4 | 13302300031 |
5 | 1010333033 |
6 | 111441501 |
7 | 23235646 |
oct | 7626015 |
9 | 3753281 |
10 | 2042893 |
11 | 1175946 |
12 | 826291 |
13 | 566b18 |
14 | 3b26cd |
15 | 2a547d |
hex | 1f2c0d |
2042893 has 4 divisors (see below), whose sum is σ = 2051100. Its totient is φ = 2034688.
The previous prime is 2042891. The next prime is 2042923. The reversal of 2042893 is 3982402.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1630729 + 412164 = 1277^2 + 642^2 .
It is a cyclic number.
It is not a de Polignac number, because 2042893 - 21 = 2042891 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2042891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718 + ... + 4231.
It is an arithmetic number, because the mean of its divisors is an integer number (512775).
22042893 is an apocalyptic number.
It is an amenable number.
2042893 is a deficient number, since it is larger than the sum of its proper divisors (8207).
2042893 is an equidigital number, since it uses as much as digits as its factorization.
2042893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8206.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 2042893 is about 1429.2980794782. The cubic root of 2042893 is about 126.8864382579.
The spelling of 2042893 in words is "two million, forty-two thousand, eight hundred ninety-three".
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