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492311863 is a prime number
BaseRepresentation
bin11101010110000…
…001010100110111
31021022101000220201
4131112001110313
52002012434423
6120503541331
715125403361
oct3526012467
91238330821
10492311863
1123299620a
12118a5a847
137acc28c4
1449553d31
152d34a2ad
hex1d581537

492311863 has 2 divisors, whose sum is σ = 492311864. Its totient is φ = 492311862.

The previous prime is 492311861. The next prime is 492311893. The reversal of 492311863 is 368113294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492311863 - 21 = 492311861 is a prime.

Together with 492311861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492311861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246155931 + 246155932.

It is an arithmetic number, because the mean of its divisors is an integer number (246155932).

Almost surely, 2492311863 is an apocalyptic number.

492311863 is a deficient number, since it is larger than the sum of its proper divisors (1).

492311863 is an equidigital number, since it uses as much as digits as its factorization.

492311863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 492311863 is about 22188.1018340912. The cubic root of 492311863 is about 789.6114432755.

The spelling of 492311863 in words is "four hundred ninety-two million, three hundred eleven thousand, eight hundred sixty-three".