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111052220 = 2255552611
BaseRepresentation
bin1101001111010…
…00010110111100
321201222001000012
412213220112330
5211412132340
615004122352
72515633256
oct647502674
9251861005
10111052220
11577601a4
12312363b8
131a013296
1410a6acd6
159b39565
hex69e85bc

111052220 has 12 divisors (see below), whose sum is σ = 233209704. Its totient is φ = 44420880.

The previous prime is 111052217. The next prime is 111052241. The reversal of 111052220 is 22250111.

It is a junction number, because it is equal to n+sod(n) for n = 111052195 and 111052204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776286 + ... + 2776325.

It is an arithmetic number, because the mean of its divisors is an integer number (19434142).

Almost surely, 2111052220 is an apocalyptic number.

111052220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111052220 is an abundant number, since it is smaller than the sum of its proper divisors (122157484).

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

111052220 is a wasteful number, since it uses less digits than its factorization.

111052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552620 (or 5552618 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 111052220 is about 10538.1317129746. The cubic root of 111052220 is about 480.6649060792.

The spelling of 111052220 in words is "one hundred eleven million, fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5552611 11105222 22210444 27763055 55526110 111052220