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83226281 is a prime number
BaseRepresentation
bin1001111010111…
…10111010101001
312210121022222212
410331132322221
5132301220111
612131454505
72030261135
oct475367251
9183538885
1083226281
1142a85156
1223a57435
131431ca28
14b0a63c5
15748e98b
hex4f5eea9

83226281 has 2 divisors, whose sum is σ = 83226282. Its totient is φ = 83226280.

The previous prime is 83226277. The next prime is 83226293. The reversal of 83226281 is 18262238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59059225 + 24167056 = 7685^2 + 4916^2 .

It is a cyclic number.

It is not a de Polignac number, because 83226281 - 22 = 83226277 is a prime.

It is a super-2 number, since 2×832262812 = 13853227698181922, which contains 22 as substring.

It is equal to p4846613 and since 83226281 and 4846613 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83226211) 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 as a sum of consecutive naturals, namely, 41613140 + 41613141.

It is an arithmetic number, because the mean of its divisors is an integer number (41613141).

Almost surely, 283226281 is an apocalyptic number.

It is an amenable number.

83226281 is a deficient number, since it is larger than the sum of its proper divisors (1).

83226281 is an equidigital number, since it uses as much as digits as its factorization.

83226281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 83226281 is about 9122.8439096589. The cubic root of 83226281 is about 436.6031145655.

The spelling of 83226281 in words is "eighty-three million, two hundred twenty-six thousand, two hundred eighty-one".