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389422067 is a prime number
BaseRepresentation
bin10111001101100…
…001101111110011
31000010202200122112
4113031201233303
51244143001232
6102350355535
712436014206
oct2715415763
91003680575
10389422067
1118a900621
12aa4bbbab
13628a9978
1439a0d93d
15242c44b2
hex17361bf3

389422067 has 2 divisors, whose sum is σ = 389422068. Its totient is φ = 389422066.

The previous prime is 389422051. The next prime is 389422087. The reversal of 389422067 is 760224983.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389422067 - 24 = 389422051 is a prime.

It is not a weakly prime, because it can be changed into another prime (389422037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194711033 + 194711034.

It is an arithmetic number, because the mean of its divisors is an integer number (194711034).

Almost surely, 2389422067 is an apocalyptic number.

389422067 is a deficient number, since it is larger than the sum of its proper divisors (1).

389422067 is an equidigital number, since it uses as much as digits as its factorization.

389422067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 389422067 is about 19733.7798457366. The cubic root of 389422067 is about 730.2532848491.

The spelling of 389422067 in words is "three hundred eighty-nine million, four hundred twenty-two thousand, sixty-seven".