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82306069 is a prime number
BaseRepresentation
bin1001110011111…
…10010000010101
312201212120200221
410321332100111
5132032243234
612100034341
72016406246
oct471762025
9181776627
1082306069
114250684a
12236929b1
1314089c21
14ad06ccd
15735beb4
hex4e7e415

82306069 has 2 divisors, whose sum is σ = 82306070. Its totient is φ = 82306068.

The previous prime is 82306067. The next prime is 82306073. The reversal of 82306069 is 96060328.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82137969 + 168100 = 9063^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 82306069 - 21 = 82306067 is a prime.

It is a super-2 number, since 2×823060692 = 13548577988465522, which contains 22 as substring.

Together with 82306067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82306067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41153034 + 41153035.

It is an arithmetic number, because the mean of its divisors is an integer number (41153035).

Almost surely, 282306069 is an apocalyptic number.

It is an amenable number.

82306069 is a deficient number, since it is larger than the sum of its proper divisors (1).

82306069 is an equidigital number, since it uses as much as digits as its factorization.

82306069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 82306069 is about 9072.2692310138. The cubic root of 82306069 is about 434.9880104151.

The spelling of 82306069 in words is "eighty-two million, three hundred six thousand, sixty-nine".