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489513 = 3163171
BaseRepresentation
bin1110111100000101001
3220212111010
41313200221
5111131023
614254133
74106103
oct1674051
9825433
10489513
11304862
121b7349
13141a6b
14ca573
159a093
hex77829

489513 has 4 divisors (see below), whose sum is σ = 652688. Its totient is φ = 326340.

The previous prime is 489493. The next prime is 489529. The reversal of 489513 is 315984.

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 not a de Polignac number, because 489513 - 26 = 489449 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81583 + ... + 81588.

It is an arithmetic number, because the mean of its divisors is an integer number (163172).

2489513 is an apocalyptic number.

It is an amenable number.

489513 is a deficient number, since it is larger than the sum of its proper divisors (163175).

489513 is a wasteful number, since it uses less digits than its factorization.

489513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163174.

The product of its digits is 4320, while the sum is 30.

The square root of 489513 is about 699.6520563823. The cubic root of 489513 is about 78.8112247488.

The spelling of 489513 in words is "four hundred eighty-nine thousand, five hundred thirteen".

Divisors: 1 3 163171 489513