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11284188 = 223940349
BaseRepresentation
bin101011000010…
…111011011100
3210020021222220
4223002323130
510342043223
61041505340
7164625336
oct53027334
923207886
1011284188
116407a83
123942250
132451246
1416da456
15ecd6e3
hexac2edc

11284188 has 12 divisors (see below), whose sum is σ = 26329800. Its totient is φ = 3761392.

The previous prime is 11284187. The next prime is 11284193. The reversal of 11284188 is 88148211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11284181) 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 3 ways as a sum of consecutive naturals, for example, 470163 + ... + 470186.

It is an arithmetic number, because the mean of its divisors is an integer number (2194150).

Almost surely, 211284188 is an apocalyptic number.

It is an amenable number.

11284188 is an abundant number, since it is smaller than the sum of its proper divisors (15045612).

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

11284188 is a wasteful number, since it uses less digits than its factorization.

11284188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940356 (or 940354 counting only the distinct ones).

The product of its digits is 4096, while the sum is 33.

The square root of 11284188 is about 3359.1945463161. The cubic root of 11284188 is about 224.2969859625.

The spelling of 11284188 in words is "eleven million, two hundred eighty-four thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 940349 1880698 2821047 3761396 5642094 11284188