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196348961 is a prime number
BaseRepresentation
bin10111011010000…
…00110000100001
3111200110120010202
423231000300201
5400231131321
631252234545
74602636644
oct1355006041
9450416122
10196348961
11a0919976
125590ba55
13318a9523
141c111a5b
151238770b
hexbb40c21

196348961 has 2 divisors, whose sum is σ = 196348962. Its totient is φ = 196348960.

The previous prime is 196348931. The next prime is 196348967. The reversal of 196348961 is 169843691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135024400 + 61324561 = 11620^2 + 7831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196348961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196348967) 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, 98174480 + 98174481.

It is an arithmetic number, because the mean of its divisors is an integer number (98174481).

Almost surely, 2196348961 is an apocalyptic number.

It is an amenable number.

196348961 is a deficient number, since it is larger than the sum of its proper divisors (1).

196348961 is an equidigital number, since it uses as much as digits as its factorization.

196348961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 196348961 is about 14012.4573505149. The cubic root of 196348961 is about 581.2231036076.

The spelling of 196348961 in words is "one hundred ninety-six million, three hundred forty-eight thousand, nine hundred sixty-one".