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112885889 = 523215843
BaseRepresentation
bin1101011101010…
…00000010000001
321212102012022212
412232220002001
5212344322024
615111311505
72540341244
oct656500201
9255365285
10112885889
11587a2926
123197b595
131a505aac
1410dc725b
159d9ca0e
hex6ba8081

112885889 has 4 divisors (see below), whose sum is σ = 113102256. Its totient is φ = 112669524.

The previous prime is 112885873. The next prime is 112885891. The reversal of 112885889 is 988588211.

It is a happy number.

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: 988588211 = 1376045247.

It is a cyclic number.

It is not a de Polignac number, because 112885889 - 24 = 112885873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112885489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107399 + ... + 108444.

It is an arithmetic number, because the mean of its divisors is an integer number (28275564).

Almost surely, 2112885889 is an apocalyptic number.

It is an amenable number.

112885889 is a deficient number, since it is larger than the sum of its proper divisors (216367).

112885889 is an equidigital number, since it uses as much as digits as its factorization.

112885889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216366.

The product of its digits is 368640, while the sum is 50.

The square root of 112885889 is about 10624.7771270742. Note that the first 3 decimals coincide. The cubic root of 112885889 is about 483.2960205308.

The spelling of 112885889 in words is "one hundred twelve million, eight hundred eighty-five thousand, eight hundred eighty-nine".

Divisors: 1 523 215843 112885889