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82444423 is a prime number
BaseRepresentation
bin1001110101000…
…00000010000111
312202010121111011
410322200002013
5132101210143
612103023051
72020523515
oct472400207
9182117434
1082444423
11425a0796
122373aa87
1314107ba9
14ad414b5
157387e9d
hex4ea0087

82444423 has 2 divisors, whose sum is σ = 82444424. Its totient is φ = 82444422.

The previous prime is 82444421. The next prime is 82444447. The reversal of 82444423 is 32444428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82444423 - 21 = 82444421 is a prime.

Together with 82444421, 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 (82444421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41222211 + 41222212.

It is an arithmetic number, because the mean of its divisors is an integer number (41222212).

Almost surely, 282444423 is an apocalyptic number.

82444423 is a deficient number, since it is larger than the sum of its proper divisors (1).

82444423 is an equidigital number, since it uses as much as digits as its factorization.

82444423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 31.

The square root of 82444423 is about 9079.8911337086. The cubic root of 82444423 is about 435.2316078469.

The spelling of 82444423 in words is "eighty-two million, four hundred forty-four thousand, four hundred twenty-three".