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489733 is a prime number
BaseRepresentation
bin1110111100100000101
3220212210021
41313210011
5111132413
614255141
74106536
oct1674405
9825707
10489733
11304a42
121b74b1
13141baa
14ca68d
159a18d
hex77905

489733 has 2 divisors, whose sum is σ = 489734. Its totient is φ = 489732.

The previous prime is 489691. The next prime is 489743. The reversal of 489733 is 337984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315844 + 173889 = 562^2 + 417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-489733 is a prime.

It is a super-2 number, since 2×4897332 = 479676822578, which contains 22 as substring.

It is an Ulam number.

489733 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244866 + 244867.

It is an arithmetic number, because the mean of its divisors is an integer number (244867).

2489733 is an apocalyptic number.

It is an amenable number.

489733 is a deficient number, since it is larger than the sum of its proper divisors (1).

489733 is an equidigital number, since it uses as much as digits as its factorization.

489733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 489733 is about 699.8092597272. The cubic root of 489733 is about 78.8230295921.

The spelling of 489733 in words is "four hundred eighty-nine thousand, seven hundred thirty-three".