Search a number
-
+
11105642 = 2231271901
BaseRepresentation
bin101010010111…
…010101101010
3202220020002002
4222113111222
510320340032
61034011002
7163252652
oct52272552
922806062
1011105642
1162a5919
123876a62
1323babb2
141691362
15e95862
hexa9756a

11105642 has 16 divisors (see below), whose sum is σ = 17528832. Its totient is φ = 5266800.

The previous prime is 11105609. The next prime is 11105651. The reversal of 11105642 is 24650111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (1095552).

Almost surely, 211105642 is an apocalyptic number.

11105642 is a deficient number, since it is larger than the sum of its proper divisors (6423190).

11105642 is a wasteful number, since it uses less digits than its factorization.

11105642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11105642 is about 3332.5128656916. The cubic root of 11105642 is about 223.1076986535.

Adding to 11105642 its reverse (24650111), we get a palindrome (35755753).

The spelling of 11105642 in words is "eleven million, one hundred five thousand, six hundred forty-two".

Divisors: 1 2 23 46 127 254 1901 2921 3802 5842 43723 87446 241427 482854 5552821 11105642