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11384287 = 1923109239
BaseRepresentation
bin101011011011…
…010111011111
3210102101022021
4223123113133
510403244122
61044001011
7165523225
oct53332737
923371267
1011384287
116476202
123990167
132487985
141724b15
15eed1c7
hexadb5df

11384287 has 16 divisors (see below), whose sum is σ = 12672000. Its totient is φ = 10178784.

The previous prime is 11384273. The next prime is 11384291. The reversal of 11384287 is 78248311.

It is a happy number.

11384287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11384287 - 27 = 11384159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11384297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47514 + ... + 47752.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 211384287 is an apocalyptic number.

11384287 is a deficient number, since it is larger than the sum of its proper divisors (1287713).

11384287 is a wasteful number, since it uses less digits than its factorization.

11384287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 10752, while the sum is 34.

The square root of 11384287 is about 3374.0609063857. The cubic root of 11384287 is about 224.9582605702.

The spelling of 11384287 in words is "eleven million, three hundred eighty-four thousand, two hundred eighty-seven".

Divisors: 1 19 23 109 239 437 2071 2507 4541 5497 26051 47633 104443 494969 599173 11384287