Search a number
-
+
196287193 is a prime number
BaseRepresentation
bin10111011001100…
…01101011011001
3111200100102102001
423230301223121
5400222142233
631251041001
74602261604
oct1354615331
9450312361
10196287193
11a0887523
12558a0161
133188738b
141c0d733b
151237427d
hexbb31ad9

196287193 has 2 divisors, whose sum is σ = 196287194. Its totient is φ = 196287192.

The previous prime is 196287187. The next prime is 196287227. The reversal of 196287193 is 391782691.

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., 180311184 + 15976009 = 13428^2 + 3997^2 .

It is an emirp because it is prime and its reverse (391782691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196287193 - 213 = 196279001 is a prime.

It is not a weakly prime, because it can be changed into another prime (196287103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98143596 + 98143597.

It is an arithmetic number, because the mean of its divisors is an integer number (98143597).

Almost surely, 2196287193 is an apocalyptic number.

It is an amenable number.

196287193 is a deficient number, since it is larger than the sum of its proper divisors (1).

196287193 is an equidigital number, since it uses as much as digits as its factorization.

196287193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 196287193 is about 14010.2531383269. The cubic root of 196287193 is about 581.1621496242.

The spelling of 196287193 in words is "one hundred ninety-six million, two hundred eighty-seven thousand, one hundred ninety-three".