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111800468 = 22132150009
BaseRepresentation
bin1101010100111…
…11000010010100
321210101001102002
412222133002110
5212110103333
615032134432
72525200613
oct652370224
9253331362
10111800468
115812138a
1231537418
131a215a30
1410bc387a
159c360e8
hex6a9f094

111800468 has 12 divisors (see below), whose sum is σ = 210700980. Its totient is φ = 51600192.

The previous prime is 111800467. The next prime is 111800471. The reversal of 111800468 is 864008111.

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 82228624 = 5438^2 + 9068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111800468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111800467) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1074953 + ... + 1075056.

It is an arithmetic number, because the mean of its divisors is an integer number (17558415).

Almost surely, 2111800468 is an apocalyptic number.

It is an amenable number.

111800468 is a deficient number, since it is larger than the sum of its proper divisors (98900512).

111800468 is a wasteful number, since it uses less digits than its factorization.

111800468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150026 (or 2150024 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 111800468 is about 10573.5740409759. The cubic root of 111800468 is about 481.7420323769.

Adding to 111800468 its reverse (864008111), we get a palindrome (975808579).

The spelling of 111800468 in words is "one hundred eleven million, eight hundred thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 26 52 2150009 4300018 8600036 27950117 55900234 111800468