Base | Representation |
---|---|
bin | 110111000011011100111 |
3 | 10101122122002 |
4 | 12320123213 |
5 | 430212012 |
6 | 102355515 |
7 | 21222332 |
oct | 6703347 |
9 | 3348562 |
10 | 1804007 |
11 | 1022417 |
12 | 72bb9b |
13 | 4b217a |
14 | 34d619 |
15 | 2597c2 |
hex | 1b86e7 |
1804007 has 2 divisors, whose sum is σ = 1804008. Its totient is φ = 1804006.
The previous prime is 1803973. The next prime is 1804013. The reversal of 1804007 is 7004081.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1804007 - 218 = 1541863 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1804007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1804037) 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 as a sum of consecutive naturals, namely, 902003 + 902004.
It is an arithmetic number, because the mean of its divisors is an integer number (902004).
21804007 is an apocalyptic number.
1804007 is a deficient number, since it is larger than the sum of its proper divisors (1).
1804007 is an equidigital number, since it uses as much as digits as its factorization.
1804007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 1804007 is about 1343.1332770801. The cubic root of 1804007 is about 121.7342373976.
Adding to 1804007 its reverse (7004081), we get a palindrome (8808088).
The spelling of 1804007 in words is "one million, eight hundred four thousand, seven".
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