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489504 = 2535099
BaseRepresentation
bin1110111100000100000
3220212110210
41313200200
5111131004
614254120
74106061
oct1674040
9825423
10489504
11304854
121b7340
13141a62
14ca568
159a089
hex77820

489504 has 24 divisors (see below), whose sum is σ = 1285200. Its totient is φ = 163136.

The previous prime is 489493. The next prime is 489529. The reversal of 489504 is 405984.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4895042 = 479228332032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454 + ... + 2645.

It is an arithmetic number, because the mean of its divisors is an integer number (53550).

2489504 is an apocalyptic number.

It is an amenable number.

489504 is an abundant number, since it is smaller than the sum of its proper divisors (795696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489504 is a wasteful number, since it uses less digits than its factorization.

489504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112 (or 5104 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 489504 is about 699.6456245843. The cubic root of 489504 is about 78.8107417481.

The spelling of 489504 in words is "four hundred eighty-nine thousand, five hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 5099 10198 15297 20396 30594 40792 61188 81584 122376 163168 244752 489504