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112818449 is a prime number
BaseRepresentation
bin1101011100101…
…11100100010001
321212021202211002
412232113210101
5212340142244
615110031345
72536640522
oct656274421
9255252732
10112818449
1158757197
1231948555
131a4b11a3
1410daa849
159d87a4e
hex6b97911

112818449 has 2 divisors, whose sum is σ = 112818450. Its totient is φ = 112818448.

The previous prime is 112818403. The next prime is 112818451. The reversal of 112818449 is 944818211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73530625 + 39287824 = 8575^2 + 6268^2 .

It is an emirp because it is prime and its reverse (944818211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112818449 is a prime.

Together with 112818451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112818649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56409224 + 56409225.

It is an arithmetic number, because the mean of its divisors is an integer number (56409225).

Almost surely, 2112818449 is an apocalyptic number.

It is an amenable number.

112818449 is a deficient number, since it is larger than the sum of its proper divisors (1).

112818449 is an equidigital number, since it uses as much as digits as its factorization.

112818449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 38.

The square root of 112818449 is about 10621.6029392931. The cubic root of 112818449 is about 483.1997581999.

The spelling of 112818449 in words is "one hundred twelve million, eight hundred eighteen thousand, four hundred forty-nine".