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11081141 = 42126321
BaseRepresentation
bin101010010001…
…010110110101
3202211222110122
4222101112311
510314044031
61033301325
7163121351
oct52212665
922758418
1011081141
116289475
123864845
1323ac9b6
141686461
15e8d47b
hexa915b5

11081141 has 4 divisors (see below), whose sum is σ = 11107884. Its totient is φ = 11054400.

The previous prime is 11081137. The next prime is 11081153. The reversal of 11081141 is 14118011.

11081141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4558225 + 6522916 = 2135^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081141 - 22 = 11081137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12740 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (2776971).

Almost surely, 211081141 is an apocalyptic number.

It is an amenable number.

11081141 is a deficient number, since it is larger than the sum of its proper divisors (26743).

11081141 is an equidigital number, since it uses as much as digits as its factorization.

11081141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26742.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 11081141 is about 3328.8347811209. The cubic root of 11081141 is about 222.9435062374.

Adding to 11081141 its reverse (14118011), we get a palindrome (25199152).

The spelling of 11081141 in words is "eleven million, eighty-one thousand, one hundred forty-one".

Divisors: 1 421 26321 11081141