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8232227281 is a prime number
BaseRepresentation
bin1111010101010110…
…11101000111010001
3210020201101110211201
413222223131013101
5113324422233111
63440513111201
7411000530425
oct75253350721
923221343751
108232227281
113544972223
121718b58501
13a126a2105
14581478b85
15332abd6c1
hex1eaadd1d1

8232227281 has 2 divisors, whose sum is σ = 8232227282. Its totient is φ = 8232227280.

The previous prime is 8232227257. The next prime is 8232227287. The reversal of 8232227281 is 1827222328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7174937025 + 1057290256 = 84705^2 + 32516^2 .

It is a cyclic number.

It is not a de Polignac number, because 8232227281 - 215 = 8232194513 is a prime.

It is a super-2 number, since 2×82322272812 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8232227281.

It is not a weakly prime, because it can be changed into another prime (8232227287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116113640 + 4116113641.

It is an arithmetic number, because the mean of its divisors is an integer number (4116113641).

Almost surely, 28232227281 is an apocalyptic number.

It is an amenable number.

8232227281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8232227281 is an equidigital number, since it uses as much as digits as its factorization.

8232227281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 8232227281 is about 90731.6222769107. The cubic root of 8232227281 is about 2019.1679807948.

The spelling of 8232227281 in words is "eight billion, two hundred thirty-two million, two hundred twenty-seven thousand, two hundred eighty-one".