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289068 = 2231317109
BaseRepresentation
bin1000110100100101100
3112200112020
41012210230
533222233
610110140
72312523
oct1064454
9480466
10289068
111881aa
1211b350
13a1760
14774ba
155a9b3
hex4692c

289068 has 48 divisors (see below), whose sum is σ = 776160. Its totient is φ = 82944.

The previous prime is 289067. The next prime is 289099. The reversal of 289068 is 860982.

289068 is nontrivially palindromic in base 5.

289068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (289063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2289068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388080).

289068 is an abundant number, since it is smaller than the sum of its proper divisors (487092).

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

289068 is a wasteful number, since it uses less digits than its factorization.

289068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 289068 is about 537.6504440619. The cubic root of 289068 is about 66.1200752595.

The spelling of 289068 in words is "two hundred eighty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 109 156 204 218 221 327 436 442 654 663 884 1308 1326 1417 1853 2652 2834 3706 4251 5559 5668 7412 8502 11118 17004 22236 24089 48178 72267 96356 144534 289068