Base | Representation |
---|---|
bin | 111111111010000000001 |
3 | 10221101112120 |
4 | 13333100001 |
5 | 1014002311 |
6 | 112514453 |
7 | 23541123 |
oct | 7772001 |
9 | 3841476 |
10 | 2094081 |
11 | 1200350 |
12 | 84ba29 |
13 | 584202 |
14 | 3c7213 |
15 | 2b5706 |
hex | 1ff401 |
2094081 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 1161600.
The previous prime is 2094073. The next prime is 2094091. The reversal of 2094081 is 1804902.
2094081 is a nontrivial binomial coefficient, being equal to C(2047, 2).
It is not a de Polignac number, because 2094081 - 23 = 2094073 is a prime.
It is a super-2 number, since 2×20940812 = 8770350469122, which contains 22 as substring.
It is an Ulam number.
2094081 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2094011) 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 31 ways as a sum of consecutive naturals, for example, 23485 + ... + 23573.
It is an arithmetic number, because the mean of its divisors is an integer number (103680).
22094081 is an apocalyptic number.
2094081 is the 2046-th triangular number.
It is an amenable number.
2094081 is a deficient number, since it is larger than the sum of its proper divisors (1223679).
2094081 is a wasteful number, since it uses less digits than its factorization.
2094081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 2094081 is about 1447.0939845083. The cubic root of 2094081 is about 127.9374898225.
Adding to 2094081 its reverse (1804902), we get a palindrome (3898983).
The spelling of 2094081 in words is "two million, ninety-four thousand, eighty-one".
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