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112415243 = 863130261
BaseRepresentation
bin1101011001101…
…01001000001011
321211112021201112
412230311020023
5212234241433
615053240535
72533341143
oct654651013
9254467645
10112415243
1158501266
123179314b
131a39c7c5
1410d03923
159d08348
hex6b3520b

112415243 has 4 divisors (see below), whose sum is σ = 112546368. Its totient is φ = 112284120.

The previous prime is 112415239. The next prime is 112415249. The reversal of 112415243 is 342514211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342514211 = 1326347247.

It is a cyclic number.

It is not a de Polignac number, because 112415243 - 22 = 112415239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112415249) 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, 64268 + ... + 65993.

It is an arithmetic number, because the mean of its divisors is an integer number (28136592).

Almost surely, 2112415243 is an apocalyptic number.

112415243 is a deficient number, since it is larger than the sum of its proper divisors (131125).

112415243 is an equidigital number, since it uses as much as digits as its factorization.

112415243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131124.

The product of its digits is 960, while the sum is 23.

The square root of 112415243 is about 10602.6054816729. The cubic root of 112415243 is about 482.6234292762.

Adding to 112415243 its reverse (342514211), we get a palindrome (454929454).

The spelling of 112415243 in words is "one hundred twelve million, four hundred fifteen thousand, two hundred forty-three".

Divisors: 1 863 130261 112415243