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208148219 is a prime number
BaseRepresentation
bin11000110100000…
…01011011111011
3112111200000200022
430122001123323
5411241220334
632353201055
75105142056
oct1432013373
9474600608
10208148219
11a7548924
125986018b
133417b036
141d903a9d
151341882e
hexc6816fb

208148219 has 2 divisors, whose sum is σ = 208148220. Its totient is φ = 208148218.

The previous prime is 208148209. The next prime is 208148231. The reversal of 208148219 is 912841802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208148219 - 24 = 208148203 is a prime.

It is a super-2 number, since 2×2081482192 = 86651362145743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (208148209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104074109 + 104074110.

It is an arithmetic number, because the mean of its divisors is an integer number (104074110).

Almost surely, 2208148219 is an apocalyptic number.

208148219 is a deficient number, since it is larger than the sum of its proper divisors (1).

208148219 is an equidigital number, since it uses as much as digits as its factorization.

208148219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 208148219 is about 14427.3427560310. The cubic root of 208148219 is about 592.6399168696.

The spelling of 208148219 in words is "two hundred eight million, one hundred forty-eight thousand, two hundred nineteen".