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82394413 is a prime number
BaseRepresentation
bin1001110100100…
…11110100101101
312202001001212221
410322103310231
5132043110123
612101555341
72020224643
oct472236455
9182031787
1082394413
1142567162
1223715b51
13140bb1ba
14ad2b193
15737825d
hex4e93d2d

82394413 has 2 divisors, whose sum is σ = 82394414. Its totient is φ = 82394412.

The previous prime is 82394401. The next prime is 82394437. The reversal of 82394413 is 31449328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62520649 + 19873764 = 7907^2 + 4458^2 .

It is a cyclic number.

It is not a de Polignac number, because 82394413 - 225 = 48839981 is a prime.

It is a super-2 number, since 2×823944132 = 13577678587229138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82394483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41197206 + 41197207.

It is an arithmetic number, because the mean of its divisors is an integer number (41197207).

Almost surely, 282394413 is an apocalyptic number.

It is an amenable number.

82394413 is a deficient number, since it is larger than the sum of its proper divisors (1).

82394413 is an equidigital number, since it uses as much as digits as its factorization.

82394413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 82394413 is about 9077.1368283176. The cubic root of 82394413 is about 435.1435876009.

The spelling of 82394413 in words is "eighty-two million, three hundred ninety-four thousand, four hundred thirteen".