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206516441 is a prime number
BaseRepresentation
bin11000100111100…
…11000011011001
3112101121010022002
430103303003121
5410332011231
632254210345
75055234515
oct1423630331
9471533262
10206516441
11a663394a
12591b39b5
1333a293a1
141d5db145
15131e50cb
hexc4f30d9

206516441 has 2 divisors, whose sum is σ = 206516442. Its totient is φ = 206516440.

The previous prime is 206516407. The next prime is 206516447. The reversal of 206516441 is 144615602.

206516441 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., 206353225 + 163216 = 14365^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 206516441 - 210 = 206515417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (206516447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103258220 + 103258221.

It is an arithmetic number, because the mean of its divisors is an integer number (103258221).

Almost surely, 2206516441 is an apocalyptic number.

It is an amenable number.

206516441 is a deficient number, since it is larger than the sum of its proper divisors (1).

206516441 is an equidigital number, since it uses as much as digits as its factorization.

206516441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 206516441 is about 14370.6799073669. The cubic root of 206516441 is about 591.0871853152.

The spelling of 206516441 in words is "two hundred six million, five hundred sixteen thousand, four hundred forty-one".