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11081317 = 13852409
BaseRepresentation
bin101010010001…
…011001100101
3202211222201011
4222101121211
510314100232
61033302221
7163122022
oct52213145
922758634
1011081317
116289615
123864971
1323acac0
141686549
15e8d547
hexa91665

11081317 has 4 divisors (see below), whose sum is σ = 11933740. Its totient is φ = 10228896.

The previous prime is 11081311. The next prime is 11081381. The reversal of 11081317 is 71318011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71318011 = 312300581.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 7873636 = 1791^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081317 - 23 = 11081309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426192 + ... + 426217.

It is an arithmetic number, because the mean of its divisors is an integer number (2983435).

Almost surely, 211081317 is an apocalyptic number.

It is an amenable number.

11081317 is a deficient number, since it is larger than the sum of its proper divisors (852423).

11081317 is an equidigital number, since it uses as much as digits as its factorization.

11081317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852422.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 11081317 is about 3328.8612166926. The cubic root of 11081317 is about 222.9446865566.

Adding to 11081317 its reverse (71318011), we get a palindrome (82399328).

The spelling of 11081317 in words is "eleven million, eighty-one thousand, three hundred seventeen".

Divisors: 1 13 852409 11081317