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11042105 = 52208421
BaseRepresentation
bin101010000111…
…110100111001
3202202222220212
4222013310321
510311321410
61032400505
7162566504
oct52076471
922688825
1011042105
116262108
123846135
132397cb9
14167613b
15e81b05
hexa87d39

11042105 has 4 divisors (see below), whose sum is σ = 13250532. Its totient is φ = 8833680.

The previous prime is 11042081. The next prime is 11042113. The reversal of 11042105 is 50124011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8743849 + 2298256 = 2957^2 + 1516^2 .

It is not a de Polignac number, because 11042105 - 216 = 10976569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11042105.

It is an unprimeable number.

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, 1104206 + ... + 1104215.

It is an arithmetic number, because the mean of its divisors is an integer number (3312633).

Almost surely, 211042105 is an apocalyptic number.

It is an amenable number.

11042105 is a deficient number, since it is larger than the sum of its proper divisors (2208427).

11042105 is an equidigital number, since it uses as much as digits as its factorization.

11042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208426.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11042105 is about 3322.9662953452. The cubic root of 11042105 is about 222.6814074149.

Adding to 11042105 its reverse (50124011), we get a palindrome (61166116).

The spelling of 11042105 in words is "eleven million, forty-two thousand, one hundred five".

Divisors: 1 5 2208421 11042105