Base | Representation |
---|---|
bin | 111110010101110101001 |
3 | 10211210012000 |
4 | 13302232221 |
5 | 1010332133 |
6 | 111441213 |
7 | 23235444 |
oct | 7625651 |
9 | 3753160 |
10 | 2042793 |
11 | 1175865 |
12 | 826209 |
13 | 566a6c |
14 | 3b265b |
15 | 2a5413 |
hex | 1f2ba9 |
2042793 has 8 divisors (see below), whose sum is σ = 3026400. Its totient is φ = 1361844.
The previous prime is 2042783. The next prime is 2042797. The reversal of 2042793 is 3972402.
It is not a de Polignac number, because 2042793 - 29 = 2042281 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 75659 = 2042793 / (2 + 0 + 4 + 2 + 7 + 9 + 3).
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2042797) 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 7 ways as a sum of consecutive naturals, for example, 37803 + ... + 37856.
It is an arithmetic number, because the mean of its divisors is an integer number (378300).
22042793 is an apocalyptic number.
It is an amenable number.
2042793 is a deficient number, since it is larger than the sum of its proper divisors (983607).
2042793 is an equidigital number, since it uses as much as digits as its factorization.
2042793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75668 (or 75662 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 2042793 is about 1429.2630968440. The cubic root of 2042793 is about 126.8843678524.
The spelling of 2042793 in words is "two million, forty-two thousand, seven hundred ninety-three".
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