[go: up one dir, main page]

Search a number
-
+
492979 is a prime number
BaseRepresentation
bin1111000010110110011
3221001020111
41320112303
5111233404
614322151
74122154
oct1702663
9831214
10492979
11307423
121b9357
13143506
14cb92b
159b104
hex785b3

492979 has 2 divisors, whose sum is σ = 492980. Its totient is φ = 492978.

The previous prime is 492967. The next prime is 493001. The reversal of 492979 is 979294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492979 - 29 = 492467 is a prime.

It is not a weakly prime, because it can be changed into another prime (493979) 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, 246489 + 246490.

It is an arithmetic number, because the mean of its divisors is an integer number (246490).

2492979 is an apocalyptic number.

492979 is a deficient number, since it is larger than the sum of its proper divisors (1).

492979 is an equidigital number, since it uses as much as digits as its factorization.

492979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 492979 is about 702.1246328110. The cubic root of 492979 is about 78.9967952554.

The spelling of 492979 in words is "four hundred ninety-two thousand, nine hundred seventy-nine".