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11394389 is a prime number
BaseRepresentation
bin101011011101…
…110101010101
3210102220011102
4223131311111
510404110024
61044115445
7165564536
oct53356525
923386142
1011394389
116482856
123995b85
13248c456
14172868d
1510011ae
hexaddd55

11394389 has 2 divisors, whose sum is σ = 11394390. Its totient is φ = 11394388.

The previous prime is 11394379. The next prime is 11394401. The reversal of 11394389 is 98349311.

It is a happy number.

11394389 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., 8655364 + 2739025 = 2942^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 11394389 - 28 = 11394133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11394349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5697194 + 5697195.

It is an arithmetic number, because the mean of its divisors is an integer number (5697195).

Almost surely, 211394389 is an apocalyptic number.

It is an amenable number.

11394389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11394389 is an equidigital number, since it uses as much as digits as its factorization.

11394389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 11394389 is about 3375.5575835705. The cubic root of 11394389 is about 225.0247808097.

The spelling of 11394389 in words is "eleven million, three hundred ninety-four thousand, three hundred eighty-nine".