Search a number
-
+
489529 is a prime number
BaseRepresentation
bin1110111100000111001
3220212111201
41313200321
5111131104
614254201
74106125
oct1674071
9825451
10489529
11304877
121b7361
13141a81
14ca585
159a0a4
hex77839

489529 has 2 divisors, whose sum is σ = 489530. Its totient is φ = 489528.

The previous prime is 489493. The next prime is 489539. The reversal of 489529 is 925984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300304 + 189225 = 548^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 489529 - 211 = 487481 is a prime.

It is not a weakly prime, because it can be changed into another prime (489539) 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, 244764 + 244765.

It is an arithmetic number, because the mean of its divisors is an integer number (244765).

2489529 is an apocalyptic number.

It is an amenable number.

489529 is a deficient number, since it is larger than the sum of its proper divisors (1).

489529 is an equidigital number, since it uses as much as digits as its factorization.

489529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 489529 is about 699.6634905438. The cubic root of 489529 is about 78.8120834021.

The spelling of 489529 in words is "four hundred eighty-nine thousand, five hundred twenty-nine".