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11016805 = 52203361
BaseRepresentation
bin101010000001…
…101001100101
3202201201012211
4222001221211
510310014210
61032043421
7162432652
oct52015145
922651184
1011016805
1162450a8
123833571
132389627
14166ac29
15e7938a
hexa81a65

11016805 has 4 divisors (see below), whose sum is σ = 13220172. Its totient is φ = 8813440.

The previous prime is 11016779. The next prime is 11016829. The reversal of 11016805 is 50861011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50861011 = 88157731.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 2825761 = 2862^2 + 1681^2 .

It is not a de Polignac number, because 11016805 - 29 = 11016293 is a prime.

It is a Smith number, since the sum of its digits (22) 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101676 + ... + 1101685.

It is an arithmetic number, because the mean of its divisors is an integer number (3305043).

Almost surely, 211016805 is an apocalyptic number.

It is an amenable number.

11016805 is a deficient number, since it is larger than the sum of its proper divisors (2203367).

11016805 is an equidigital number, since it uses as much as digits as its factorization.

11016805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203366.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 11016805 is about 3319.1572725618. The cubic root of 11016805 is about 222.5112059331.

Adding to 11016805 its reverse (50861011), we get a palindrome (61877816).

The spelling of 11016805 in words is "eleven million, sixteen thousand, eight hundred five".

Divisors: 1 5 2203361 11016805