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11390791 is a prime number
BaseRepresentation
bin101011011100…
…111101000111
3210102201020011
4223130331013
510404001131
61044051051
7165551206
oct53347507
923381204
1011390791
116480085
123993a87
13248a919
14172723d
1510000b1
hexadcf47

11390791 has 2 divisors, whose sum is σ = 11390792. Its totient is φ = 11390790.

The previous prime is 11390789. The next prime is 11390809. The reversal of 11390791 is 19709311.

It is a weak prime.

It is an emirp because it is prime and its reverse (19709311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11390791 - 21 = 11390789 is a prime.

Together with 11390789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11390741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5695395 + 5695396.

It is an arithmetic number, because the mean of its divisors is an integer number (5695396).

Almost surely, 211390791 is an apocalyptic number.

11390791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11390791 is an equidigital number, since it uses as much as digits as its factorization.

11390791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11390791 is about 3375.0245925030. The cubic root of 11390791 is about 225.0010929988.

The spelling of 11390791 in words is "eleven million, three hundred ninety thousand, seven hundred ninety-one".