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11123808 = 253115873
BaseRepresentation
bin101010011011…
…110001100000
3202221010222220
4222123301200
510321430213
61034231040
7163356633
oct52336140
922833886
1011123808
116308533
123885480
1323c6247
141697c1a
15e9ae23
hexa9bc60

11123808 has 24 divisors (see below), whose sum is σ = 29200248. Its totient is φ = 3707904.

The previous prime is 11123773. The next prime is 11123851. The reversal of 11123808 is 80832111.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 57841 + ... + 58032.

It is an arithmetic number, because the mean of its divisors is an integer number (1216677).

Almost surely, 211123808 is an apocalyptic number.

It is an amenable number.

11123808 is an abundant number, since it is smaller than the sum of its proper divisors (18076440).

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

11123808 is a wasteful number, since it uses less digits than its factorization.

11123808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115886 (or 115878 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 11123808 is about 3335.2373228902. The cubic root of 11123808 is about 223.2292814965.

Adding to 11123808 its reverse (80832111), we get a palindrome (91955919).

The spelling of 11123808 in words is "eleven million, one hundred twenty-three thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 115873 231746 347619 463492 695238 926984 1390476 1853968 2780952 3707936 5561904 11123808