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11235281 is a prime number
BaseRepresentation
bin101010110110…
…111111010001
3210010210220112
4222312333101
510334012111
61040451105
7164332631
oct52667721
923123815
1011235281
116384262
123919a95
132434bc5
1416c66c1
15ebde8b
hexab6fd1

11235281 has 2 divisors, whose sum is σ = 11235282. Its totient is φ = 11235280.

The previous prime is 11235277. The next prime is 11235307. The reversal of 11235281 is 18253211.

It is a happy number.

11235281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 4558225 = 2584^2 + 2135^2 .

It is an emirp because it is prime and its reverse (18253211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11235281 - 22 = 11235277 is a prime.

It is a super-2 number, since 2×112352812 = 252463078297922, which contains 22 as substring.

It is a Chen prime.

It is equal to p741029 and since 11235281 and 741029 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 (11235221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617640 + 5617641.

It is an arithmetic number, because the mean of its divisors is an integer number (5617641).

Almost surely, 211235281 is an apocalyptic number.

It is an amenable number.

11235281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11235281 is an equidigital number, since it uses as much as digits as its factorization.

11235281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 11235281 is about 3351.9070691175. The cubic root of 11235281 is about 223.9724734989.

Adding to 11235281 its reverse (18253211), we get a palindrome (29488492).

The spelling of 11235281 in words is "eleven million, two hundred thirty-five thousand, two hundred eighty-one".