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165180833 is a prime number
BaseRepresentation
bin10011101100001…
…11010110100001
3102111211001111122
421312013112201
5314241241313
624220222025
74044004526
oct1166072641
9374731448
10165180833
1185270894
124739a915
13282b594c
1417d1b14d
15e77c708
hex9d875a1

165180833 has 2 divisors, whose sum is σ = 165180834. Its totient is φ = 165180832.

The previous prime is 165180809. The next prime is 165180853. The reversal of 165180833 is 338081561.

165180833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165045409 + 135424 = 12847^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 165180833 - 216 = 165115297 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 165180793 and 165180802.

It is not a weakly prime, because it can be changed into another prime (165180853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82590416 + 82590417.

It is an arithmetic number, because the mean of its divisors is an integer number (82590417).

Almost surely, 2165180833 is an apocalyptic number.

It is an amenable number.

165180833 is a deficient number, since it is larger than the sum of its proper divisors (1).

165180833 is an equidigital number, since it uses as much as digits as its factorization.

165180833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 165180833 is about 12852.2695661117. The cubic root of 165180833 is about 548.6809525984.

The spelling of 165180833 in words is "one hundred sixty-five million, one hundred eighty thousand, eight hundred thirty-three".