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11108345 = 52221669
BaseRepresentation
bin101010010111…
…111111111001
3202220100210012
4222113333321
510320431340
61034031305
7163263563
oct52277771
922810705
1011108345
1162a7956
123878535
1323bc1b1
141692333
15e96565
hexa97ff9

11108345 has 4 divisors (see below), whose sum is σ = 13330020. Its totient is φ = 8886672.

The previous prime is 11108341. The next prime is 11108347. The reversal of 11108345 is 54380111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54380111 = 223243857.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 7678441 = 1852^2 + 2771^2 .

It is a cyclic number.

It is not a de Polignac number, because 11108345 - 22 = 11108341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11108345.

It is not an unprimeable number, because it can be changed into a prime (11108341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110830 + ... + 1110839.

It is an arithmetic number, because the mean of its divisors is an integer number (3332505).

Almost surely, 211108345 is an apocalyptic number.

It is an amenable number.

11108345 is a deficient number, since it is larger than the sum of its proper divisors (2221675).

11108345 is an equidigital number, since it uses as much as digits as its factorization.

11108345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221674.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11108345 is about 3332.9183908401. The cubic root of 11108345 is about 223.1257978980.

Adding to 11108345 its reverse (54380111), we get a palindrome (65488456).

The spelling of 11108345 in words is "eleven million, one hundred eight thousand, three hundred forty-five".

Divisors: 1 5 2221669 11108345