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192738193 is a prime number
BaseRepresentation
bin10110111110011…
…11001110010001
3111102200010002121
423133033032101
5343320110233
631043014241
74530150634
oct1337171621
9442603077
10192738193
119988306a
125466a381
1330c13b8b
141b851c1b
1511dc292d
hexb7cf391

192738193 has 2 divisors, whose sum is σ = 192738194. Its totient is φ = 192738192.

The previous prime is 192738149. The next prime is 192738241. The reversal of 192738193 is 391837291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192432384 + 305809 = 13872^2 + 553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-192738193 is a prime.

It is a super-2 number, since 2×1927381932 = 74296022081810498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (192738113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96369096 + 96369097.

It is an arithmetic number, because the mean of its divisors is an integer number (96369097).

Almost surely, 2192738193 is an apocalyptic number.

It is an amenable number.

192738193 is a deficient number, since it is larger than the sum of its proper divisors (1).

192738193 is an equidigital number, since it uses as much as digits as its factorization.

192738193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 192738193 is about 13883.0181516845. The cubic root of 192738193 is about 577.6382288129.

The spelling of 192738193 in words is "one hundred ninety-two million, seven hundred thirty-eight thousand, one hundred ninety-three".