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489486 = 23233547
BaseRepresentation
bin1110111100000001110
3220212110010
41313200032
5111130421
614254050
74106034
oct1674016
9825403
10489486
11304838
121b7326
13141a4a
14ca554
159a076
hex7780e

489486 has 16 divisors (see below), whose sum is σ = 1021824. Its totient is φ = 156024.

The previous prime is 489479. The next prime is 489487. The reversal of 489486 is 684984.

489486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489487) by changing a digit.

489486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (63864).

2489486 is an apocalyptic number.

489486 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

489486 is an abundant number, since it is smaller than the sum of its proper divisors (532338).

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

489486 is a wasteful number, since it uses less digits than its factorization.

489486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its digits is 55296, while the sum is 39.

The square root of 489486 is about 699.6327608110. The cubic root of 489486 is about 78.8097757290.

The spelling of 489486 in words is "four hundred eighty-nine thousand, four hundred eighty-six".

Divisors: 1 2 3 6 23 46 69 138 3547 7094 10641 21282 81581 163162 244743 489486