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196961 is a prime number
BaseRepresentation
bin110000000101100001
3101000011212
4300011201
522300321
64115505
71450142
oct600541
9330155
10196961
11124a86
1295b95
136b85b
1451ac9
153d55b
hex30161

196961 has 2 divisors, whose sum is σ = 196962. Its totient is φ = 196960.

The previous prime is 196927. The next prime is 196991. The reversal of 196961 is 169691.

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., 126736 + 70225 = 356^2 + 265^2 .

It is an emirp because it is prime and its reverse (169691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196961 is a prime.

196961 is a strobogrammatic number because it is the same when read upside-down.

It is not a weakly prime, because it can be changed into another prime (196901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98480 + 98481.

It is an arithmetic number, because the mean of its divisors is an integer number (98481).

2196961 is an apocalyptic number.

It is an amenable number.

196961 is a deficient number, since it is larger than the sum of its proper divisors (1).

196961 is an equidigital number, since it uses as much as digits as its factorization.

196961 is an evil number, because the sum of its binary digits is even.

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

The square root of 196961 is about 443.8028841727. The cubic root of 196961 is about 58.1826387047.

It can be divided in two parts, 196 and 961, that multiplied together give a square (188356 = 4342).

The spelling of 196961 in words is "one hundred ninety-six thousand, nine hundred sixty-one".