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82418423 is a prime number
BaseRepresentation
bin1001110100110…
…01101011110111
312202002021211012
410322121223313
5132044342143
612102302435
72020354643
oct472315367
9182067735
1082418423
11425831aa
1223727a1b
13140c90c9
14ad35c23
157380418
hex4e99af7

82418423 has 2 divisors, whose sum is σ = 82418424. Its totient is φ = 82418422.

The previous prime is 82418393. The next prime is 82418449. The reversal of 82418423 is 32481428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82418423 - 26 = 82418359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82418423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82418123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41209211 + 41209212.

It is an arithmetic number, because the mean of its divisors is an integer number (41209212).

Almost surely, 282418423 is an apocalyptic number.

82418423 is a deficient number, since it is larger than the sum of its proper divisors (1).

82418423 is an equidigital number, since it uses as much as digits as its factorization.

82418423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 32.

The square root of 82418423 is about 9078.4592855837. The cubic root of 82418423 is about 435.1858509150.

The spelling of 82418423 in words is "eighty-two million, four hundred eighteen thousand, four hundred twenty-three".