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289065694 = 2433361229
BaseRepresentation
bin10001001110101…
…100101011011110
3202010221001120211
4101032230223132
51043000100234
644403403034
710110006061
oct2116545336
9663831524
10289065694
11139196375
128098347a
1347b6cbb8
142a5688d8
151a59e164
hex113acade

289065694 has 8 divisors (see below), whose sum is σ = 443682360. Its totient is φ = 141171576.

The previous prime is 289065683. The next prime is 289065697. The reversal of 289065694 is 496560982.

289065694 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289065697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680529 + ... + 1680700.

It is an arithmetic number, because the mean of its divisors is an integer number (55460295).

Almost surely, 2289065694 is an apocalyptic number.

289065694 is a deficient number, since it is larger than the sum of its proper divisors (154616666).

289065694 is a wasteful number, since it uses less digits than its factorization.

289065694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361274.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 289065694 is about 17001.9320666800. The cubic root of 289065694 is about 661.1989943779.

The spelling of 289065694 in words is "two hundred eighty-nine million, sixty-five thousand, six hundred ninety-four".

Divisors: 1 2 43 86 3361229 6722458 144532847 289065694