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165293 is a prime number
BaseRepresentation
bin101000010110101101
322101201222
4220112231
520242133
63313125
71255622
oct502655
9271658
10165293
11103207
127b7a5
135a30b
1444349
1533e98
hex285ad

165293 has 2 divisors, whose sum is σ = 165294. Its totient is φ = 165292.

The previous prime is 165287. The next prime is 165311. The reversal of 165293 is 392561.

165293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 6889 = 398^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 165293 - 26 = 165229 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82646 + 82647.

It is an arithmetic number, because the mean of its divisors is an integer number (82647).

2165293 is an apocalyptic number.

It is an amenable number.

165293 is a deficient number, since it is larger than the sum of its proper divisors (1).

165293 is an equidigital number, since it uses as much as digits as its factorization.

165293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 165293 is about 406.5624183320. The cubic root of 165293 is about 54.8805119489.

The spelling of 165293 in words is "one hundred sixty-five thousand, two hundred ninety-three".