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489089 = 4179151
BaseRepresentation
bin1110111011010000001
3220211220102
41313122001
5111122324
614252145
74104626
oct1673201
9824812
10489089
11304507
121b7055
13141803
14ca34d
1599dae
hex77681

489089 has 8 divisors (see below), whose sum is σ = 510720. Its totient is φ = 468000.

The previous prime is 489061. The next prime is 489101. The reversal of 489089 is 980984.

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

It is a cyclic number.

It is not a de Polignac number, because 489089 - 28 = 488833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489089.

It is not an unprimeable number, because it can be changed into a prime (489019) 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, 3164 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2489089 is an apocalyptic number.

It is an amenable number.

489089 is a deficient number, since it is larger than the sum of its proper divisors (21631).

489089 is a wasteful number, since it uses less digits than its factorization.

489089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 489089 is about 699.3489829835. The cubic root of 489089 is about 78.7884636156.

The spelling of 489089 in words is "four hundred eighty-nine thousand, eighty-nine".

Divisors: 1 41 79 151 3239 6191 11929 489089