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11089045 = 511218329
BaseRepresentation
bin101010010011…
…010010010101
3202212101022101
4222103102111
510314322140
61033402101
7163153402
oct52232225
922771271
1011089045
116294400
123869331
1323b3486
1416892a9
15e9099a
hexa93495

11089045 has 12 divisors (see below), whose sum is σ = 14627340. Its totient is φ = 8064320.

The previous prime is 11089037. The next prime is 11089061. The reversal of 11089045 is 54098011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4743684 + 6345361 = 2178^2 + 2519^2 .

It is not a de Polignac number, because 11089045 - 23 = 11089037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 8560 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (1218945).

Almost surely, 211089045 is an apocalyptic number.

It is an amenable number.

11089045 is a deficient number, since it is larger than the sum of its proper divisors (3538295).

11089045 is a wasteful number, since it uses less digits than its factorization.

11089045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18356 (or 18345 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11089045 is about 3330.0217717006. The cubic root of 11089045 is about 222.9965009807.

It can be divided in two parts, 1108 and 9045, that added together give a triangular number (10153 = T142).

The spelling of 11089045 in words is "eleven million, eighty-nine thousand, forty-five".

Divisors: 1 5 11 55 121 605 18329 91645 201619 1008095 2217809 11089045