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206472241 is a prime number
BaseRepresentation
bin11000100111010…
…00010000110001
3112101111212200001
430103220100301
5410324102431
632253230001
75054661613
oct1423502061
9471455601
10206472241
11a6603718
1259192301
1333a12231
141d5c8db3
15131d6e61
hexc4e8431

206472241 has 2 divisors, whose sum is σ = 206472242. Its totient is φ = 206472240.

The previous prime is 206472209. The next prime is 206472313. The reversal of 206472241 is 142274602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130416400 + 76055841 = 11420^2 + 8721^2 .

It is a cyclic number.

It is not a de Polignac number, because 206472241 - 25 = 206472209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206476241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103236120 + 103236121.

It is an arithmetic number, because the mean of its divisors is an integer number (103236121).

Almost surely, 2206472241 is an apocalyptic number.

It is an amenable number.

206472241 is a deficient number, since it is larger than the sum of its proper divisors (1).

206472241 is an equidigital number, since it uses as much as digits as its factorization.

206472241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 206472241 is about 14369.1419716001. The cubic root of 206472241 is about 591.0450128574.

It can be divided in two parts, 2064 and 72241, that added together give a triangular number (74305 = T385).

The spelling of 206472241 in words is "two hundred six million, four hundred seventy-two thousand, two hundred forty-one".