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208841207 is a prime number
BaseRepresentation
bin11000111001010…
…10100111110111
3112112222020021112
430130222213313
5411430404312
632420105235
75114056331
oct1434524767
9475866245
10208841207
11a7981543
1259b3521b
13343615a3
141da44451
1513503d22
hexc72a9f7

208841207 has 2 divisors, whose sum is σ = 208841208. Its totient is φ = 208841206.

The previous prime is 208841159. The next prime is 208841221. The reversal of 208841207 is 702148802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-208841207 is a prime.

It is a super-2 number, since 2×2088412072 = 87229299482433698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208841707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104420603 + 104420604.

It is an arithmetic number, because the mean of its divisors is an integer number (104420604).

Almost surely, 2208841207 is an apocalyptic number.

208841207 is a deficient number, since it is larger than the sum of its proper divisors (1).

208841207 is an equidigital number, since it uses as much as digits as its factorization.

208841207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 208841207 is about 14451.3392804958. The cubic root of 208841207 is about 593.2968804843.

The spelling of 208841207 in words is "two hundred eight million, eight hundred forty-one thousand, two hundred seven".