Search a number
-
+
489692 = 22717489
BaseRepresentation
bin1110111100011011100
3220212201202
41313203130
5111132232
614255032
74106450
oct1674334
9825652
10489692
11304a05
121b7478
13141b78
14ca660
159a162
hex778dc

489692 has 12 divisors (see below), whose sum is σ = 979440. Its totient is φ = 209856.

The previous prime is 489691. The next prime is 489733. The reversal of 489692 is 296984.

489692 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 (489691) 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, 8717 + ... + 8772.

It is an arithmetic number, because the mean of its divisors is an integer number (81620).

2489692 is an apocalyptic number.

It is an amenable number.

489692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

489692 is a wasteful number, since it uses less digits than its factorization.

489692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500 (or 17498 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 489692 is about 699.7799654177. The cubic root of 489692 is about 78.8208298666.

The spelling of 489692 in words is "four hundred eighty-nine thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 17489 34978 69956 122423 244846 489692