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164147 is a prime number
BaseRepresentation
bin101000000100110011
322100011112
4220010303
520223042
63303535
71252364
oct500463
9270145
10164147
11102365
127abab
1359939
1443b6b
1533982
hex28133

164147 has 2 divisors, whose sum is σ = 164148. Its totient is φ = 164146.

The previous prime is 164117. The next prime is 164149. The reversal of 164147 is 741461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164147 is a prime.

Together with 164149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82073 + 82074.

It is an arithmetic number, because the mean of its divisors is an integer number (82074).

2164147 is an apocalyptic number.

164147 is a deficient number, since it is larger than the sum of its proper divisors (1).

164147 is an equidigital number, since it uses as much as digits as its factorization.

164147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 164147 is about 405.1505892875. The cubic root of 164147 is about 54.7533862226.

The spelling of 164147 in words is "one hundred sixty-four thousand, one hundred forty-seven".