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11091852 = 2232308107
BaseRepresentation
bin101010010011…
…111110001100
3202212112011100
4222103332030
510314414402
61033423100
7163164522
oct52237614
922775140
1011091852
116296522
12386aa90
1323b4835
14168a312
15e9171c
hexa93f8c

11091852 has 18 divisors (see below), whose sum is σ = 28037828. Its totient is φ = 3697272.

The previous prime is 11091851. The next prime is 11091869. The reversal of 11091852 is 25819011.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (11091851) 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 in 5 ways as a sum of consecutive naturals, for example, 154018 + ... + 154089.

Almost surely, 211091852 is an apocalyptic number.

11091852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11091852 is an abundant number, since it is smaller than the sum of its proper divisors (16945976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11091852 is a wasteful number, since it uses less digits than its factorization.

11091852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308117 (or 308112 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 11091852 is about 3330.4432137480. The cubic root of 11091852 is about 223.0153152961.

The spelling of 11091852 in words is "eleven million, ninety-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 308107 616214 924321 1232428 1848642 2772963 3697284 5545926 11091852