Search a number
-
+
489538 = 2773479
BaseRepresentation
bin1110111100001000010
3220212112001
41313201002
5111131123
614254214
74106140
oct1674102
9825461
10489538
11304885
121b736a
13141a8a
14ca590
159a0ad
hex77842

489538 has 16 divisors (see below), whose sum is σ = 852480. Its totient is φ = 206496.

The previous prime is 489529. The next prime is 489539. The reversal of 489538 is 835984.

It is a junction number, because it is equal to n+sod(n) for n = 489497 and 489506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (53280).

2489538 is an apocalyptic number.

489538 is a deficient number, since it is larger than the sum of its proper divisors (362942).

489538 is a wasteful number, since it uses less digits than its factorization.

489538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its digits is 34560, while the sum is 37.

The square root of 489538 is about 699.6699221776. The cubic root of 489538 is about 78.8125663864.

The spelling of 489538 in words is "four hundred eighty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 7 14 73 146 479 511 958 1022 3353 6706 34967 69934 244769 489538