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289493484 = 22373446351
BaseRepresentation
bin10001010000010…
…101000111101100
3202011201210101220
4101100111013230
51043102242414
644420503340
710113440220
oct2120250754
9664653356
10289493484
11139458815
1280b4ab50
1347c8c827
142a63a780
151a635ca9
hex114151ec

289493484 has 24 divisors (see below), whose sum is σ = 771982848. Its totient is φ = 82712400.

The previous prime is 289493461. The next prime is 289493489. The reversal of 289493484 is 484394982.

289493484 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (289493489) 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, 1723092 + ... + 1723259.

It is an arithmetic number, because the mean of its divisors is an integer number (32165952).

Almost surely, 2289493484 is an apocalyptic number.

It is an amenable number.

289493484 is an abundant number, since it is smaller than the sum of its proper divisors (482489364).

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

289493484 is a wasteful number, since it uses less digits than its factorization.

289493484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446365 (or 3446363 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 289493484 is about 17014.5080446071. The cubic root of 289493484 is about 661.5250043538.

The spelling of 289493484 in words is "two hundred eighty-nine million, four hundred ninety-three thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3446351 6892702 10339053 13785404 20678106 24124457 41356212 48248914 72373371 96497828 144746742 289493484