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192971 is a prime number
BaseRepresentation
bin101111000111001011
3100210201002
4233013023
522133341
64045215
71432412
oct570713
9323632
10192971
11121a89
129380b
1369aac
1450479
153c29b
hex2f1cb

192971 has 2 divisors, whose sum is σ = 192972. Its totient is φ = 192970.

The previous prime is 192961. The next prime is 192977. The reversal of 192971 is 179291.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-192971 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (192977) 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, 96485 + 96486.

It is an arithmetic number, because the mean of its divisors is an integer number (96486).

2192971 is an apocalyptic number.

192971 is a deficient number, since it is larger than the sum of its proper divisors (1).

192971 is an equidigital number, since it uses as much as digits as its factorization.

192971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 29.

The square root of 192971 is about 439.2846457594. The cubic root of 192971 is about 57.7870710178.

The spelling of 192971 in words is "one hundred ninety-two thousand, nine hundred seventy-one".