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112231513 = 234879631
BaseRepresentation
bin1101011000010…
…00010001011001
321211011221200201
412230020101121
5212212402023
615045302201
72531644402
oct654102131
9254157621
10112231513
1158396219
1231704961
131a336ca4
1410c969a9
159cbdbad
hex6b08459

112231513 has 4 divisors (see below), whose sum is σ = 117111168. Its totient is φ = 107351860.

The previous prime is 112231489. The next prime is 112231541. The reversal of 112231513 is 315132211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112231513 - 25 = 112231481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112231543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439793 + ... + 2439838.

It is an arithmetic number, because the mean of its divisors is an integer number (29277792).

Almost surely, 2112231513 is an apocalyptic number.

It is an amenable number.

112231513 is a deficient number, since it is larger than the sum of its proper divisors (4879655).

112231513 is an equidigital number, since it uses as much as digits as its factorization.

112231513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879654.

The product of its digits is 180, while the sum is 19.

The square root of 112231513 is about 10593.9375588116. The cubic root of 112231513 is about 482.3603547661.

Adding to 112231513 its reverse (315132211), we get a palindrome (427363724).

The spelling of 112231513 in words is "one hundred twelve million, two hundred thirty-one thousand, five hundred thirteen".

Divisors: 1 23 4879631 112231513