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11284135 = 52256827
BaseRepresentation
bin101011000010…
…111010100111
3210020021220221
4223002322213
510342043020
61041505211
7164625232
oct53027247
923207827
1011284135
116407a35
123942207
132451205
1416da419
15ecd6aa
hexac2ea7

11284135 has 4 divisors (see below), whose sum is σ = 13540968. Its totient is φ = 9027304.

The previous prime is 11284129. The next prime is 11284139. The reversal of 11284135 is 53148211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53148211 = 471130813.

It is a cyclic number.

It is not a de Polignac number, because 11284135 - 23 = 11284127 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 (11284139) 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, 1128409 + ... + 1128418.

It is an arithmetic number, because the mean of its divisors is an integer number (3385242).

Almost surely, 211284135 is an apocalyptic number.

11284135 is a deficient number, since it is larger than the sum of its proper divisors (2256833).

11284135 is an equidigital number, since it uses as much as digits as its factorization.

11284135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256832.

The product of its digits is 960, while the sum is 25.

The square root of 11284135 is about 3359.1866575110. The cubic root of 11284135 is about 224.2966347998.

The spelling of 11284135 in words is "eleven million, two hundred eighty-four thousand, one hundred thirty-five".

Divisors: 1 5 2256827 11284135