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206080393 is a prime number
BaseRepresentation
bin11000100100010…
…00100110001001
3112100202222011011
430102020212021
5410224033033
632241003521
75051440321
oct1422104611
9470688134
10206080393
11a6366282
12590235a1
1333905a7c
141d526281
151315accd
hexc488989

206080393 has 2 divisors, whose sum is σ = 206080394. Its totient is φ = 206080392.

The previous prime is 206080349. The next prime is 206080397. The reversal of 206080393 is 393080602.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205979904 + 100489 = 14352^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 206080393 - 213 = 206072201 is a prime.

It is not a weakly prime, because it can be changed into another prime (206080397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103040196 + 103040197.

It is an arithmetic number, because the mean of its divisors is an integer number (103040197).

Almost surely, 2206080393 is an apocalyptic number.

It is an amenable number.

206080393 is a deficient number, since it is larger than the sum of its proper divisors (1).

206080393 is an equidigital number, since it uses as much as digits as its factorization.

206080393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 206080393 is about 14355.5004440807. The cubic root of 206080393 is about 590.6708762476.

The spelling of 206080393 in words is "two hundred six million, eighty thousand, three hundred ninety-three".