Base | Representation |
---|---|
bin | 101010111000… |
… | …110100100011 |
3 | 210011012012112 |
4 | 222320310203 |
5 | 10334232122 |
6 | 1040545535 |
7 | 164363543 |
oct | 52706443 |
9 | 23135175 |
10 | 11242787 |
11 | 6389966 |
12 | 39222ab |
13 | 243844a |
14 | 16c9323 |
15 | ec12e2 |
hex | ab8d23 |
11242787 has 2 divisors, whose sum is σ = 11242788. Its totient is φ = 11242786.
The previous prime is 11242769. The next prime is 11242789. The reversal of 11242787 is 78724211.
It is a happy number.
11242787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11242787 - 28 = 11242531 is a prime.
Together with 11242789, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p741488 and since 11242787 and 741488 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (11242789) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621393 + 5621394.
It is an arithmetic number, because the mean of its divisors is an integer number (5621394).
Almost surely, 211242787 is an apocalyptic number.
11242787 is a deficient number, since it is larger than the sum of its proper divisors (1).
11242787 is an equidigital number, since it uses as much as digits as its factorization.
11242787 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6272, while the sum is 32.
The square root of 11242787 is about 3353.0265432889. The cubic root of 11242787 is about 224.0223391305.
Adding to 11242787 its reverse (78724211), we get a palindrome (89966998).
The spelling of 11242787 in words is "eleven million, two hundred forty-two thousand, seven hundred eighty-seven".
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