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282085169 is a prime number
BaseRepresentation
bin10000110100000…
…100011100110001
3201122210102002212
4100310010130301
51034203211134
643554021505
76663453512
oct2064043461
9648712085
10282085169
11135258843
127a577895
1346597802
142966ca09
1519b70bce
hex10d04731

282085169 has 2 divisors, whose sum is σ = 282085170. Its totient is φ = 282085168.

The previous prime is 282085127. The next prime is 282085171. The reversal of 282085169 is 961580282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210598144 + 71487025 = 14512^2 + 8455^2 .

It is a cyclic number.

It is not a de Polignac number, because 282085169 - 212 = 282081073 is a prime.

It is a super-2 number, since 2×2820851692 = 159144085139517122, which contains 22 as substring.

Together with 282085171, 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 (282085189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141042584 + 141042585.

It is an arithmetic number, because the mean of its divisors is an integer number (141042585).

Almost surely, 2282085169 is an apocalyptic number.

It is an amenable number.

282085169 is a deficient number, since it is larger than the sum of its proper divisors (1).

282085169 is an equidigital number, since it uses as much as digits as its factorization.

282085169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 282085169 is about 16795.3913023782. The cubic root of 282085169 is about 655.8332297476.

The spelling of 282085169 in words is "two hundred eighty-two million, eighty-five thousand, one hundred sixty-nine".