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489741 = 3723321
BaseRepresentation
bin1110111100100001101
3220212210120
41313210031
5111132431
614255153
74106550
oct1674415
9825716
10489741
11304a4a
121b74b9
13141bb5
14ca697
159a196
hex7790d

489741 has 8 divisors (see below), whose sum is σ = 746304. Its totient is φ = 279840.

The previous prime is 489733. The next prime is 489743. The reversal of 489741 is 147984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489741 - 23 = 489733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11640 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (93288).

2489741 is an apocalyptic number.

It is an amenable number.

489741 is a deficient number, since it is larger than the sum of its proper divisors (256563).

489741 is a wasteful number, since it uses less digits than its factorization.

489741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23331.

The product of its digits is 8064, while the sum is 33.

The square root of 489741 is about 699.8149755471. The cubic root of 489741 is about 78.8234587925.

The spelling of 489741 in words is "four hundred eighty-nine thousand, seven hundred forty-one".

Divisors: 1 3 7 21 23321 69963 163247 489741