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489628 = 221091123
BaseRepresentation
bin1110111100010011100
3220212122101
41313202130
5111132003
614254444
74106326
oct1674234
9825571
10489628
11304957
121b7424
13141b29
14ca616
159a11d
hex7789c

489628 has 12 divisors (see below), whose sum is σ = 865480. Its totient is φ = 242352.

The previous prime is 489613. The next prime is 489631. The reversal of 489628 is 826984.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 126 + ... + 997.

2489628 is an apocalyptic number.

It is an amenable number.

489628 is a deficient number, since it is larger than the sum of its proper divisors (375852).

489628 is a wasteful number, since it uses less digits than its factorization.

489628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 489628 is about 699.7342352636. The cubic root of 489628 is about 78.8173959034.

The spelling of 489628 in words is "four hundred eighty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 4 109 218 436 1123 2246 4492 122407 244814 489628