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489539 is a prime number
BaseRepresentation
bin1110111100001000011
3220212112002
41313201003
5111131124
614254215
74106141
oct1674103
9825462
10489539
11304886
121b736b
13141a8b
14ca591
159a0ae
hex77843

489539 has 2 divisors, whose sum is σ = 489540. Its totient is φ = 489538.

The previous prime is 489529. The next prime is 489551. The reversal of 489539 is 935984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489539 - 28 = 489283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244769 + 244770.

It is an arithmetic number, because the mean of its divisors is an integer number (244770).

2489539 is an apocalyptic number.

489539 is a deficient number, since it is larger than the sum of its proper divisors (1).

489539 is an equidigital number, since it uses as much as digits as its factorization.

489539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 489539 is about 699.6706367999. The cubic root of 489539 is about 78.8126200510.

The spelling of 489539 in words is "four hundred eighty-nine thousand, five hundred thirty-nine".