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112866749 = 139811991
BaseRepresentation
bin1101011101000…
…11010110111101
321212101020001222
412232203112331
5212343213444
615111043125
72540231402
oct656432675
9255336058
10112866749
115878a506
12319704a5
131a4ca178
1410dc02a9
159d96eee
hex6ba35bd

112866749 has 4 divisors (see below), whose sum is σ = 113678880. Its totient is φ = 112054620.

The previous prime is 112866673. The next prime is 112866763. The reversal of 112866749 is 947668211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 947668211 = 7135381173.

It is a cyclic number.

It is not a de Polignac number, because 112866749 - 224 = 96089533 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 (112866769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405857 + ... + 406134.

It is an arithmetic number, because the mean of its divisors is an integer number (28419720).

Almost surely, 2112866749 is an apocalyptic number.

It is an amenable number.

112866749 is a deficient number, since it is larger than the sum of its proper divisors (812131).

112866749 is an equidigital number, since it uses as much as digits as its factorization.

112866749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812130.

The product of its digits is 145152, while the sum is 44.

The square root of 112866749 is about 10623.8763641149. The cubic root of 112866749 is about 483.2687044250.

The spelling of 112866749 in words is "one hundred twelve million, eight hundred sixty-six thousand, seven hundred forty-nine".

Divisors: 1 139 811991 112866749