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196169 is a prime number
BaseRepresentation
bin101111111001001001
3100222002112
4233321021
522234134
64112105
71444631
oct577111
9328075
10196169
11124426
1295635
136b39c
14516c1
153d1ce
hex2fe49

196169 has 2 divisors, whose sum is σ = 196170. Its totient is φ = 196168.

The previous prime is 196159. The next prime is 196171. The reversal of 196169 is 961691.

It can be divided in two parts, 196 and 169, that multiplied together give a square (33124 = 1822).

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170569 + 25600 = 413^2 + 160^2 .

It is an emirp because it is prime and its reverse (961691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196169 - 28 = 195913 is a prime.

It is a super-2 number, since 2×1961692 = 76964553122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 196171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (196139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98084 + 98085.

It is an arithmetic number, because the mean of its divisors is an integer number (98085).

2196169 is an apocalyptic number.

It is an amenable number.

196169 is a deficient number, since it is larger than the sum of its proper divisors (1).

196169 is an equidigital number, since it uses as much as digits as its factorization.

196169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The square root of 196169 is about 442.9096973425. The cubic root of 196169 is about 58.1045478590.

The spelling of 196169 in words is "one hundred ninety-six thousand, one hundred sixty-nine".