Base | Representation |
---|---|
bin | 111111111000010000001 |
3 | 10221100022101 |
4 | 13333002001 |
5 | 1013440220 |
6 | 112510401 |
7 | 23535403 |
oct | 7770201 |
9 | 3840271 |
10 | 2093185 |
11 | 11aa706 |
12 | 84b401 |
13 | 583993 |
14 | 3c6b73 |
15 | 2b530a |
hex | 1ff081 |
2093185 has 4 divisors (see below), whose sum is σ = 2511828. Its totient is φ = 1674544.
The previous prime is 2093183. The next prime is 2093219. The reversal of 2093185 is 5813902.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5813902 = 2 ⋅2906951.
It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 1874161 = 468^2 + 1369^2 .
It is a cyclic number.
It is not a de Polignac number, because 2093185 - 21 = 2093183 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2093183) 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, 209314 + ... + 209323.
It is an arithmetic number, because the mean of its divisors is an integer number (627957).
22093185 is an apocalyptic number.
It is an amenable number.
2093185 is a deficient number, since it is larger than the sum of its proper divisors (418643).
2093185 is an equidigital number, since it uses as much as digits as its factorization.
2093185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418642.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 2093185 is about 1446.7843654118. The cubic root of 2093185 is about 127.9192402349.
It can be divided in two parts, 2093 and 185, that added together give a triangular number (2278 = T67).
The spelling of 2093185 in words is "two million, ninety-three thousand, one hundred eighty-five".
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