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112838281 is a prime number
BaseRepresentation
bin1101011100111…
…00011010001001
321212022210000121
412232130122021
5212341311111
615110303241
72540052403
oct656343211
9255283017
10112838281
1158770086
1231957b21
131a4ba21a
1410db3b73
159d8d871
hex6b9c689

112838281 has 2 divisors, whose sum is σ = 112838282. Its totient is φ = 112838280.

The previous prime is 112838279. The next prime is 112838287. The reversal of 112838281 is 182838211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 9511056 = 10165^2 + 3084^2 .

It is an emirp because it is prime and its reverse (182838211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112838281 - 21 = 112838279 is a prime.

It is a super-2 number, since 2×1128382812 = 25464955318069922, which contains 22 as substring.

Together with 112838279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112838287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56419140 + 56419141.

It is an arithmetic number, because the mean of its divisors is an integer number (56419141).

Almost surely, 2112838281 is an apocalyptic number.

It is an amenable number.

112838281 is a deficient number, since it is larger than the sum of its proper divisors (1).

112838281 is an equidigital number, since it uses as much as digits as its factorization.

112838281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 34.

The square root of 112838281 is about 10622.5364673415. The cubic root of 112838281 is about 483.2280699292.

The spelling of 112838281 in words is "one hundred twelve million, eight hundred thirty-eight thousand, two hundred eighty-one".