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112287287 = 716041041
BaseRepresentation
bin1101011000101…
…01111000110111
321211021210012102
412230111320313
5212221143122
615050412315
72532266120
oct654257067
9254253172
10112287287
1158424112
123173109b
131a3564a8
1410cad047
159cd0492
hex6b15e37

112287287 has 4 divisors (see below), whose sum is σ = 128328336. Its totient is φ = 96246240.

The previous prime is 112287257. The next prime is 112287289. The reversal of 112287287 is 782782211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782782211 = 2053381287.

It is a cyclic number.

It is not a de Polignac number, because 112287287 - 214 = 112270903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112287287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112287289) 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, 8020514 + ... + 8020527.

It is an arithmetic number, because the mean of its divisors is an integer number (32082084).

Almost surely, 2112287287 is an apocalyptic number.

112287287 is a deficient number, since it is larger than the sum of its proper divisors (16041049).

112287287 is an equidigital number, since it uses as much as digits as its factorization.

112287287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16041048.

The product of its digits is 25088, while the sum is 38.

The square root of 112287287 is about 10596.5695864275. The cubic root of 112287287 is about 482.4402453138.

The spelling of 112287287 in words is "one hundred twelve million, two hundred eighty-seven thousand, two hundred eighty-seven".

Divisors: 1 7 16041041 112287287