Search a number
-
+
492674197 is a prime number
BaseRepresentation
bin11101010111011…
…001110010010101
31021100001102221111
4131113121302111
52002111033242
6120515415021
715131442631
oct3527316225
91240042844
10492674197
11233113464
12118bb4471
137b0bb7c2
1449609dc1
152d3bc817
hex1d5d9c95

492674197 has 2 divisors, whose sum is σ = 492674198. Its totient is φ = 492674196.

The previous prime is 492674179. The next prime is 492674201. The reversal of 492674197 is 791476294.

Together with previous prime (492674179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485497156 + 7177041 = 22034^2 + 2679^2 .

It is a cyclic number.

It is not a de Polignac number, because 492674197 - 219 = 492149909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 492674197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492674137) 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, 246337098 + 246337099.

It is an arithmetic number, because the mean of its divisors is an integer number (246337099).

Almost surely, 2492674197 is an apocalyptic number.

It is an amenable number.

492674197 is a deficient number, since it is larger than the sum of its proper divisors (1).

492674197 is an equidigital number, since it uses as much as digits as its factorization.

492674197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 492674197 is about 22196.2653840686. The cubic root of 492674197 is about 789.8051097525.

The spelling of 492674197 in words is "four hundred ninety-two million, six hundred seventy-four thousand, one hundred ninety-seven".