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489534772 = 221921811873
BaseRepresentation
bin11101001011011…
…011010100110100
31021010010221110111
4131023123110310
52000310103042
6120324232404
715062656036
oct3513332464
91233127414
10489534772
112313697a1
12117b3b704
137a55c85c
144902dc56
152ce9c517
hex1d2db534

489534772 has 36 divisors (see below), whose sum is σ = 909628356. Its totient is φ = 230480640.

The previous prime is 489534769. The next prime is 489534809. The reversal of 489534772 is 277435984.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 480749476 = 2964^2 + 21926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260428 + ... + 262300.

Almost surely, 2489534772 is an apocalyptic number.

It is an amenable number.

489534772 is a deficient number, since it is larger than the sum of its proper divisors (420093584).

489534772 is a wasteful number, since it uses less digits than its factorization.

489534772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2075 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 489534772 is about 22125.4326963339. The cubic root of 489534772 is about 788.1239315673.

The spelling of 489534772 in words is "four hundred eighty-nine million, five hundred thirty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 19 38 76 181 361 362 722 724 1444 1873 3439 3746 6878 7492 13756 35587 65341 71174 130682 142348 261364 339013 676153 678026 1352306 1356052 2704612 6441247 12882494 25764988 122383693 244767386 489534772