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489057 = 3163019
BaseRepresentation
bin1110111011001100001
3220211212020
41313121201
5111122212
614252053
74104552
oct1673141
9824766
10489057
11304488
121b7029
131417aa
14ca329
1599d8c
hex77661

489057 has 4 divisors (see below), whose sum is σ = 652080. Its totient is φ = 326036.

The previous prime is 489053. The next prime is 489061. The reversal of 489057 is 750984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (489053) and next prime (489061).

It is a cyclic number.

It is not a de Polignac number, because 489057 - 22 = 489053 is a prime.

It is a D-number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (489053) 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 in 3 ways as a sum of consecutive naturals, for example, 81507 + ... + 81512.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

2489057 is an apocalyptic number.

It is an amenable number.

489057 is a deficient number, since it is larger than the sum of its proper divisors (163023).

489057 is a wasteful number, since it uses less digits than its factorization.

489057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163022.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 489057 is about 699.3261041889. The cubic root of 489057 is about 78.7867452604.

The spelling of 489057 in words is "four hundred eighty-nine thousand, fifty-seven".

Divisors: 1 3 163019 489057