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2690111 is a prime number
BaseRepresentation
bin1010010000110000111111
312001200010202
422100300333
51142040421
6133354115
731602614
oct12206077
95050122
102690111
111578136
12a9893b
137325a8
1450050b
1538210b
hex290c3f

2690111 has 2 divisors, whose sum is σ = 2690112. Its totient is φ = 2690110.

The previous prime is 2690099. The next prime is 2690137. The reversal of 2690111 is 1110962.

2690111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2690111 - 26 = 2690047 is a prime.

It is a Sophie Germain 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 (2690141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345055 + 1345056.

It is an arithmetic number, because the mean of its divisors is an integer number (1345056).

22690111 is an apocalyptic number.

2690111 is the 734-th centered decagonal number.

2690111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690111 is an equidigital number, since it uses as much as digits as its factorization.

2690111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2690111 is about 1640.1557852838. The cubic root of 2690111 is about 139.0774545463.

The spelling of 2690111 in words is "two million, six hundred ninety thousand, one hundred eleven".