Search a number
-
+
492529813 is a prime number
BaseRepresentation
bin11101010110110…
…110100010010101
31021022210002212221
4131112312202111
52002041423223
6120512342341
715130301656
oct3526664225
91238702787
10492529813
11233024a36
12118b449b1
137b06ab79
14495ad52d
152d38eb5d
hex1d5b6895

492529813 has 2 divisors, whose sum is σ = 492529814. Its totient is φ = 492529812.

The previous prime is 492529811. The next prime is 492529847. The reversal of 492529813 is 318925294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487614724 + 4915089 = 22082^2 + 2217^2 .

It is a cyclic number.

It is not a de Polignac number, because 492529813 - 21 = 492529811 is a prime.

Together with 492529811, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 492529813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492529811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246264906 + 246264907.

It is an arithmetic number, because the mean of its divisors is an integer number (246264907).

Almost surely, 2492529813 is an apocalyptic number.

It is an amenable number.

492529813 is a deficient number, since it is larger than the sum of its proper divisors (1).

492529813 is an equidigital number, since it uses as much as digits as its factorization.

492529813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 492529813 is about 22193.0127067057. The cubic root of 492529813 is about 789.7279483050.

The spelling of 492529813 in words is "four hundred ninety-two million, five hundred twenty-nine thousand, eight hundred thirteen".