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11230789 is a prime number
BaseRepresentation
bin101010110101…
…111001000101
3210010120202011
4222311321011
510333341124
61040414221
7164313553
oct52657105
923116664
1011230789
116380949
123917371
132432b4b
1416c4bd3
15ebc994
hexab5e45

11230789 has 2 divisors, whose sum is σ = 11230790. Its totient is φ = 11230788.

The previous prime is 11230787. The next prime is 11230799. The reversal of 11230789 is 98703211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 616225 = 3258^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230789 - 21 = 11230787 is a prime.

It is a super-2 number, since 2×112307892 = 252261243125042, which contains 22 as substring.

Together with 11230787, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11230789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230781) 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, 5615394 + 5615395.

It is an arithmetic number, because the mean of its divisors is an integer number (5615395).

Almost surely, 211230789 is an apocalyptic number.

It is an amenable number.

11230789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230789 is an equidigital number, since it uses as much as digits as its factorization.

11230789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11230789 is about 3351.2369358194. The cubic root of 11230789 is about 223.9426205603.

The spelling of 11230789 in words is "eleven million, two hundred thirty thousand, seven hundred eighty-nine".