Search a number
-
+
11000287 is a prime number
BaseRepresentation
bin101001111101…
…100111011111
3202200212120001
4221331213133
510304002122
61031435131
7162333544
oct51754737
922625501
1011000287
116233751
123825aa7
132381c5c
141664bcb
15e74527
hexa7d9df

11000287 has 2 divisors, whose sum is σ = 11000288. Its totient is φ = 11000286.

The previous prime is 11000281. The next prime is 11000291. The reversal of 11000287 is 78200011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11000287 - 27 = 11000159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000281) 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, 5500143 + 5500144.

It is an arithmetic number, because the mean of its divisors is an integer number (5500144).

Almost surely, 211000287 is an apocalyptic number.

11000287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000287 is an equidigital number, since it uses as much as digits as its factorization.

11000287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11000287 is about 3316.6680569511. The cubic root of 11000287 is about 222.3999432289.

Adding to 11000287 its reverse (78200011), we get a palindrome (89200298).

The spelling of 11000287 in words is "eleven million, two hundred eighty-seven", and thus it is an aban number.