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489884458 = 2727368477
BaseRepresentation
bin11101001100110…
…000101100101010
31021010210201010211
4131030300230222
52000402300313
6120335531334
715065643400
oct3514605452
91233721124
10489884458
11231588498
12118089b4a
137a652a7b
14490c1470
152d01ae3d
hex1d330b2a

489884458 has 24 divisors (see below), whose sum is σ = 866520612. Its totient is φ = 207071424.

The previous prime is 489884453. The next prime is 489884489. The reversal of 489884458 is 854488984.

It can be written as a sum of positive squares in 2 ways, for example, as 480354889 + 9529569 = 21917^2 + 3087^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489884453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27085 + ... + 41392.

Almost surely, 2489884458 is an apocalyptic number.

489884458 is a deficient number, since it is larger than the sum of its proper divisors (376636154).

489884458 is a wasteful number, since it uses less digits than its factorization.

489884458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68566 (or 68559 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 58.

The square root of 489884458 is about 22133.3336395582. Note that the first 3 decimals coincide. The cubic root of 489884458 is about 788.3115452810.

The spelling of 489884458 in words is "four hundred eighty-nine million, eight hundred eighty-four thousand, four hundred fifty-eight".

Divisors: 1 2 7 14 49 73 98 146 511 1022 3577 7154 68477 136954 479339 958678 3355373 4998821 6710746 9997642 34991747 69983494 244942229 489884458