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11108142 = 232617119
BaseRepresentation
bin101010010111…
…111100101110
3202220100111200
4222113330232
510320430032
61034030330
7163263153
oct52277456
922810450
1011108142
1162a7791
1238783a6
1323bc086
14169222a
15e9647c
hexa97f2e

11108142 has 12 divisors (see below), whose sum is σ = 24067680. Its totient is φ = 3702708.

The previous prime is 11108129. The next prime is 11108143. The reversal of 11108142 is 24180111.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 617119 = 11108142 / (1 + 1 + 1 + 0 + 8 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11108143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308542 + ... + 308577.

It is an arithmetic number, because the mean of its divisors is an integer number (2005640).

Almost surely, 211108142 is an apocalyptic number.

11108142 is an abundant number, since it is smaller than the sum of its proper divisors (12959538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11108142 is a wasteful number, since it uses less digits than its factorization.

11108142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617127 (or 617124 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11108142 is about 3332.8879369100. The cubic root of 11108142 is about 223.1244387153.

Adding to 11108142 its reverse (24180111), we get a palindrome (35288253).

The spelling of 11108142 in words is "eleven million, one hundred eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 617119 1234238 1851357 3702714 5554071 11108142