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112243287 = 3134366931
BaseRepresentation
bin1101011000010…
…11001001010111
321211012112211210
412230023021113
5212213241122
615045432503
72532023622
oct654131127
9254175753
10112243287
11583a4052
123170b733
131a33c460
1410c9adb9
159cc240c
hex6b0b257

112243287 has 16 divisors (see below), whose sum is σ = 164920448. Its totient is φ = 67465440.

The previous prime is 112243277. The next prime is 112243297. The reversal of 112243287 is 782342211.

It is an interprime number because it is at equal distance from previous prime (112243277) and next prime (112243297).

It is not a de Polignac number, because 112243287 - 26 = 112243223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112243247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31789 + ... + 35142.

It is an arithmetic number, because the mean of its divisors is an integer number (10307528).

Almost surely, 2112243287 is an apocalyptic number.

112243287 is a deficient number, since it is larger than the sum of its proper divisors (52677161).

112243287 is a wasteful number, since it uses less digits than its factorization.

112243287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66990.

The product of its digits is 5376, while the sum is 30.

The square root of 112243287 is about 10594.4932394145. The cubic root of 112243287 is about 482.3772220199.

Adding to 112243287 its reverse (782342211), we get a palindrome (894585498).

The spelling of 112243287 in words is "one hundred twelve million, two hundred forty-three thousand, two hundred eighty-seven".

Divisors: 1 3 13 39 43 129 559 1677 66931 200793 870103 2610309 2878033 8634099 37414429 112243287