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192717493 is a prime number
BaseRepresentation
bin10110111110010…
…10001010110101
3111102122001200221
423133022022311
5343313424433
631042334341
74530033403
oct1337121265
9442561627
10192717493
1199869561
125465a3b1
1330c07627
141b848473
1511dbb72d
hexb7ca2b5

192717493 has 2 divisors, whose sum is σ = 192717494. Its totient is φ = 192717492.

The previous prime is 192717449. The next prime is 192717517. The reversal of 192717493 is 394717291.

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., 192709924 + 7569 = 13882^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 192717493 - 213 = 192709301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192715493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96358746 + 96358747.

It is an arithmetic number, because the mean of its divisors is an integer number (96358747).

Almost surely, 2192717493 is an apocalyptic number.

It is an amenable number.

192717493 is a deficient number, since it is larger than the sum of its proper divisors (1).

192717493 is an equidigital number, since it uses as much as digits as its factorization.

192717493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 192717493 is about 13882.2726165423. The cubic root of 192717493 is about 577.6175487058.

The spelling of 192717493 in words is "one hundred ninety-two million, seven hundred seventeen thousand, four hundred ninety-three".