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8385427 is a prime number
BaseRepresentation
bin11111111111001110010011
3120210000122101
4133333032103
54121313202
6455421231
7131163211
oct37771623
916700571
108385427
114808106
122984817
1319779bb
141183cb1
15b09887
hex7ff393

8385427 has 2 divisors, whose sum is σ = 8385428. Its totient is φ = 8385426.

The previous prime is 8385397. The next prime is 8385431. The reversal of 8385427 is 7245838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8385427 - 211 = 8383379 is a prime.

It is not a weakly prime, because it can be changed into another prime (8385457) 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, 4192713 + 4192714.

It is an arithmetic number, because the mean of its divisors is an integer number (4192714).

Almost surely, 28385427 is an apocalyptic number.

8385427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8385427 is an equidigital number, since it uses as much as digits as its factorization.

8385427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 8385427 is about 2895.7601765340. The cubic root of 8385427 is about 203.1616482040.

The spelling of 8385427 in words is "eight million, three hundred eighty-five thousand, four hundred twenty-seven".