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11155085 = 52578681
BaseRepresentation
bin101010100011…
…011010001101
3202222201220022
4222203122031
510323430320
61035031525
7163550054
oct52433215
922881808
1011155085
116329a87
12389b5a5
132407556
1416a539b
15ea5325
hexaa368d

11155085 has 8 divisors (see below), whose sum is σ = 13439736. Its totient is φ = 8888320.

The previous prime is 11155073. The next prime is 11155091. The reversal of 11155085 is 58055111.

11155085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6056521 + 5098564 = 2461^2 + 2258^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11155085 - 212 = 11150989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3056 + ... + 5625.

It is an arithmetic number, because the mean of its divisors is an integer number (1679967).

Almost surely, 211155085 is an apocalyptic number.

It is an amenable number.

11155085 is a deficient number, since it is larger than the sum of its proper divisors (2284651).

11155085 is an equidigital number, since it uses as much as digits as its factorization.

11155085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943.

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 11155085 is about 3339.9229033018. The cubic root of 11155085 is about 223.4383049020.

Adding to 11155085 its sum of digits (26), we get a palindrome (11155111).

The spelling of 11155085 in words is "eleven million, one hundred fifty-five thousand, eighty-five".

Divisors: 1 5 257 1285 8681 43405 2231017 11155085