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11081069 = 25743117
BaseRepresentation
bin101010010001…
…010101101101
3202211222100222
4222101111231
510314043234
61033301125
7163121216
oct52212555
922758328
1011081069
11628940a
1238647a5
1323ac95c
14168640d
15e8d42e
hexa9156d

11081069 has 4 divisors (see below), whose sum is σ = 11124444. Its totient is φ = 11037696.

The previous prime is 11081051. The next prime is 11081089. The reversal of 11081069 is 96018011.

11081069 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 8631844 + 2449225 = 2938^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081069 - 216 = 11015533 is a prime.

It is a super-2 number, since 2×110810692 = 245580180365522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081089) 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, 21302 + ... + 21815.

It is an arithmetic number, because the mean of its divisors is an integer number (2781111).

Almost surely, 211081069 is an apocalyptic number.

It is an amenable number.

11081069 is a deficient number, since it is larger than the sum of its proper divisors (43375).

11081069 is an equidigital number, since it uses as much as digits as its factorization.

11081069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43374.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 11081069 is about 3328.8239665083. The cubic root of 11081069 is about 222.9430233759.

The spelling of 11081069 in words is "eleven million, eighty-one thousand, sixty-nine".

Divisors: 1 257 43117 11081069