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11200285 = 52240057
BaseRepresentation
bin101010101110…
…011100011101
3210002000220101
4222232130131
510331402120
61040021101
7164125615
oct52563435
923060811
1011200285
11635aa38
123901791
132421cb5
1416b7a45
15eb390a
hexaae71d

11200285 has 4 divisors (see below), whose sum is σ = 13440348. Its totient is φ = 8960224.

The previous prime is 11200279. The next prime is 11200303. The reversal of 11200285 is 58200211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58200211 = 193063169.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 9803161 = 1182^2 + 3131^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200285 - 27 = 11200157 is a prime.

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, 1120024 + ... + 1120033.

It is an arithmetic number, because the mean of its divisors is an integer number (3360087).

Almost surely, 211200285 is an apocalyptic number.

It is an amenable number.

11200285 is a deficient number, since it is larger than the sum of its proper divisors (2240063).

11200285 is an equidigital number, since it uses as much as digits as its factorization.

11200285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240062.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 11200285 is about 3346.6826858846. The cubic root of 11200285 is about 223.7396861761.

Adding to 11200285 its reverse (58200211), we get a palindrome (69400496).

The spelling of 11200285 in words is "eleven million, two hundred thousand, two hundred eighty-five".

Divisors: 1 5 2240057 11200285