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282392081 is a prime number
BaseRepresentation
bin10000110101001…
…111011000010001
3201200101000002222
4100311033120101
51034243021311
644004350425
76666202346
oct2065173021
9650330088
10282392081
11135448394
127a6a5415
134667440a
142970c7cd
1519bd1adb
hex10d4f611

282392081 has 2 divisors, whose sum is σ = 282392082. Its totient is φ = 282392080.

The previous prime is 282392023. The next prime is 282392087. The reversal of 282392081 is 180293282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156750400 + 125641681 = 12520^2 + 11209^2 .

It is a cyclic number.

It is not a de Polignac number, because 282392081 - 26 = 282392017 is a prime.

It is a super-2 number, since 2×2823920812 = 159490574823021122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (282392087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141196040 + 141196041.

It is an arithmetic number, because the mean of its divisors is an integer number (141196041).

Almost surely, 2282392081 is an apocalyptic number.

It is an amenable number.

282392081 is a deficient number, since it is larger than the sum of its proper divisors (1).

282392081 is an equidigital number, since it uses as much as digits as its factorization.

282392081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 282392081 is about 16804.5256106800. The cubic root of 282392081 is about 656.0709949747.

The spelling of 282392081 in words is "two hundred eighty-two million, three hundred ninety-two thousand, eighty-one".