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11284087 = 22135099
BaseRepresentation
bin101011000010…
…111001110111
3210020021212011
4223002321313
510342042322
61041505051
7164625133
oct53027167
923207764
1011284087
1164079a1
123942187
132451199
1416da3c3
15ecd677
hexac2e77

11284087 has 4 divisors (see below), whose sum is σ = 11291400. Its totient is φ = 11276776.

The previous prime is 11284037. The next prime is 11284111. The reversal of 11284087 is 78048211.

11284087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11284087 - 219 = 10759799 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11284027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337 + ... + 4762.

It is an arithmetic number, because the mean of its divisors is an integer number (2822850).

Almost surely, 211284087 is an apocalyptic number.

11284087 is a deficient number, since it is larger than the sum of its proper divisors (7313).

11284087 is an equidigital number, since it uses as much as digits as its factorization.

11284087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 11284087 is about 3359.1795129168. The cubic root of 11284087 is about 224.2963167646.

The spelling of 11284087 in words is "eleven million, two hundred eighty-four thousand, eighty-seven".

Divisors: 1 2213 5099 11284087