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11103005 = 54121321
BaseRepresentation
bin101010010110…
…101100011101
3202220002110102
4222112230131
510320244010
61033550445
7163242164
oct52265435
922802412
1011103005
1162a3941
123875425
1323b9934
1416903db
15e94ba5
hexa96b1d

11103005 has 12 divisors (see below), whose sum is σ = 13666836. Its totient is φ = 8659200.

The previous prime is 11102981. The next prime is 11103013. The reversal of 11103005 is 50030111.

It can be written as a sum of positive squares in 6 ways, for example, as 1530169 + 9572836 = 1237^2 + 3094^2 .

It is not a de Polignac number, because 11103005 - 26 = 11102941 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 7745 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (1138903).

Almost surely, 211103005 is an apocalyptic number.

It is an amenable number.

11103005 is a deficient number, since it is larger than the sum of its proper divisors (2563831).

11103005 is an equidigital number, since it uses as much as digits as its factorization.

11103005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 11103005 is about 3332.1171948177. The cubic root of 11103005 is about 223.0900385136.

Adding to 11103005 its reverse (50030111), we get a palindrome (61133116).

The spelling of 11103005 in words is "eleven million, one hundred three thousand, five".

Divisors: 1 5 41 205 1321 1681 6605 8405 54161 270805 2220601 11103005