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82311329 is a prime number
BaseRepresentation
bin1001110011111…
…11100010100001
312201212211220202
410321333202201
5132032430304
612100114545
72016430502
oct471774241
9181784822
1082311329
114250a7a1
1223695a55
131408c439
14ad08ba9
15735d81e
hex4e7f8a1

82311329 has 2 divisors, whose sum is σ = 82311330. Its totient is φ = 82311328.

The previous prime is 82311289. The next prime is 82311337. The reversal of 82311329 is 92311328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63170704 + 19140625 = 7948^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 82311329 - 212 = 82307233 is a prime.

It is not a weakly prime, because it can be changed into another prime (82311389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41155664 + 41155665.

It is an arithmetic number, because the mean of its divisors is an integer number (41155665).

Almost surely, 282311329 is an apocalyptic number.

It is an amenable number.

82311329 is a deficient number, since it is larger than the sum of its proper divisors (1).

82311329 is an equidigital number, since it uses as much as digits as its factorization.

82311329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 82311329 is about 9072.5591207773. The cubic root of 82311329 is about 434.9972765937.

Subtracting 82311329 from its reverse (92311328), we obtain a palindrome (9999999).

The spelling of 82311329 in words is "eighty-two million, three hundred eleven thousand, three hundred twenty-nine".