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112447 = 234889
BaseRepresentation
bin11011011100111111
312201020201
4123130333
512044242
62224331
7645556
oct333477
9181221
10112447
1177535
12550a7
133c24a
142cd9d
15234b7
hex1b73f

112447 has 4 divisors (see below), whose sum is σ = 117360. Its totient is φ = 107536.

The previous prime is 112429. The next prime is 112459. The reversal of 112447 is 744211.

Adding to 112447 its reverse (744211), we get a palindrome (856658).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8 and base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112247) 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, 2422 + ... + 2467.

It is an arithmetic number, because the mean of its divisors is an integer number (29340).

2112447 is an apocalyptic number.

112447 is a deficient number, since it is larger than the sum of its proper divisors (4913).

112447 is an equidigital number, since it uses as much as digits as its factorization.

112447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its digits is 224, while the sum is 19.

The square root of 112447 is about 335.3311795822. The cubic root of 112447 is about 48.2668871599.

The spelling of 112447 in words is "one hundred twelve thousand, four hundred forty-seven", and thus it is an iban number.

Divisors: 1 23 4889 112447