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489426 = 23743271
BaseRepresentation
bin1110111011111010010
3220212100220
41313133102
5111130201
614253510
74105620
oct1673722
9825326
10489426
11304793
121b7296
13141a02
14ca510
159a036
hex777d2

489426 has 32 divisors (see below), whose sum is σ = 1148928. Its totient is φ = 136080.

The previous prime is 489409. The next prime is 489427. The reversal of 489426 is 624984.

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 (489427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (35904).

2489426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574464).

489426 is an abundant number, since it is smaller than the sum of its proper divisors (659502).

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

489426 is a wasteful number, since it uses less digits than its factorization.

489426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 13824, while the sum is 33.

The square root of 489426 is about 699.5898798582. The cubic root of 489426 is about 78.8065554940.

The spelling of 489426 in words is "four hundred eighty-nine thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 271 301 542 602 813 903 1626 1806 1897 3794 5691 11382 11653 23306 34959 69918 81571 163142 244713 489426