Base | Representation |
---|---|
bin | 111011110111101… |
… | …001001100100001 |
3 | 2121000000221221102 |
4 | 323313221030201 |
5 | 4024114124101 |
6 | 243400404145 |
7 | 33614422334 |
oct | 7367511441 |
9 | 2530027842 |
10 | 1004442401 |
11 | 475a88496 |
12 | 240476655 |
13 | 130134221 |
14 | 9758661b |
15 | 5d2ac86b |
hex | 3bde9321 |
1004442401 has 2 divisors, whose sum is σ = 1004442402. Its totient is φ = 1004442400.
The previous prime is 1004442337. The next prime is 1004442457. The reversal of 1004442401 is 1042444001.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 968454400 + 35988001 = 31120^2 + 5999^2 .
It is an emirp because it is prime and its reverse (1042444001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1004442401 - 26 = 1004442337 is a prime.
It is not a weakly prime, because it can be changed into another prime (1004442001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502221200 + 502221201.
It is an arithmetic number, because the mean of its divisors is an integer number (502221201).
Almost surely, 21004442401 is an apocalyptic number.
It is an amenable number.
1004442401 is a deficient number, since it is larger than the sum of its proper divisors (1).
1004442401 is an equidigital number, since it uses as much as digits as its factorization.
1004442401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 1004442401 is about 31692.9392925301. The cubic root of 1004442401 is about 1001.4786129595.
Adding to 1004442401 its reverse (1042444001), we get a palindrome (2046886402).
The spelling of 1004442401 in words is "one billion, four million, four hundred forty-two thousand, four hundred one".
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