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190660207 is a prime number
BaseRepresentation
bin10110101110100…
…11111001101111
3111021202112122011
423113103321233
5342302111312
630530302051
74503404443
oct1327237157
9437675564
10190660207
1198693921
1253a27927
13306670ba
141b470823
1511b11da7
hexb5d3e6f

190660207 has 2 divisors, whose sum is σ = 190660208. Its totient is φ = 190660206.

The previous prime is 190660189. The next prime is 190660241. The reversal of 190660207 is 702066091.

It is a weak prime.

It is an emirp because it is prime and its reverse (702066091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190660207 - 215 = 190627439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190660277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95330103 + 95330104.

It is an arithmetic number, because the mean of its divisors is an integer number (95330104).

Almost surely, 2190660207 is an apocalyptic number.

190660207 is a deficient number, since it is larger than the sum of its proper divisors (1).

190660207 is an equidigital number, since it uses as much as digits as its factorization.

190660207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 190660207 is about 13807.9762094233. The cubic root of 190660207 is about 575.5548086728.

The spelling of 190660207 in words is "one hundred ninety million, six hundred sixty thousand, two hundred seven".