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199498193 is a prime number
BaseRepresentation
bin10111110010000…
…01100111010001
3111220101120001222
423321001213101
5402032420233
631443534425
74641464246
oct1371014721
9456346058
10199498193
11a267aa44
125698a415
133243ca8b
141c6d15cd
15127aa898
hexbe419d1

199498193 has 2 divisors, whose sum is σ = 199498194. Its totient is φ = 199498192.

The previous prime is 199498181. The next prime is 199498207. The reversal of 199498193 is 391894991.

199498193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182466064 + 17032129 = 13508^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 199498193 - 28 = 199497937 is a prime.

It is not a weakly prime, because it can be changed into another prime (199498093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99749096 + 99749097.

It is an arithmetic number, because the mean of its divisors is an integer number (99749097).

Almost surely, 2199498193 is an apocalyptic number.

It is an amenable number.

199498193 is a deficient number, since it is larger than the sum of its proper divisors (1).

199498193 is an equidigital number, since it uses as much as digits as its factorization.

199498193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 53.

The square root of 199498193 is about 14124.3829245741. The cubic root of 199498193 is about 584.3140404941.

The spelling of 199498193 in words is "one hundred ninety-nine million, four hundred ninety-eight thousand, one hundred ninety-three".