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289272064 = 2810632
BaseRepresentation
bin10001001111011…
…111000100000000
3202011022112200011
4101033133010000
51043023201224
644412034304
710111525534
oct2117370400
9664275604
10289272064
11139317424
1280a62994
1347c12b03
142a5bdbc4
151a5e0394
hex113df100

289272064 has 27 divisors (see below), whose sum is σ = 577957863. Its totient is φ = 144499968.

The previous prime is 289272043. The next prime is 289272073. The reversal of 289272064 is 460272982.

The square root of 289272064 is 17008.

It is a perfect power (a square), and thus also a powerful number.

289272064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 271597 + ... + 272659.

Almost surely, 2289272064 is an apocalyptic number.

289272064 is the 17008-th square number.

It is an amenable number.

289272064 is a deficient number, since it is larger than the sum of its proper divisors (288685799).

289272064 is an frugal number, since it uses more digits than its factorization.

289272064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The cubic root of 289272064 is about 661.3563048443.

The spelling of 289272064 in words is "two hundred eighty-nine million, two hundred seventy-two thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 1063 2126 4252 8504 17008 34016 68032 136064 272128 1129969 2259938 4519876 9039752 18079504 36159008 72318016 144636032 289272064