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289716 = 22373449
BaseRepresentation
bin1000110101110110100
3112201102020
41012232310
533232331
610113140
72314440
oct1065664
9481366
10289716
11188739
1211b7b0
13a1b3b
1477820
155ac96
hex46bb4

289716 has 24 divisors (see below), whose sum is σ = 772800. Its totient is φ = 82752.

The previous prime is 289669. The next prime is 289717. The reversal of 289716 is 617982.

289716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289717) 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, 1641 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (32200).

2289716 is an apocalyptic number.

It is an amenable number.

289716 is an abundant number, since it is smaller than the sum of its proper divisors (483084).

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

289716 is a wasteful number, since it uses less digits than its factorization.

289716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463 (or 3461 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 289716 is about 538.2527287437. The cubic root of 289716 is about 66.1694452266.

The spelling of 289716 in words is "two hundred eighty-nine thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3449 6898 10347 13796 20694 24143 41388 48286 72429 96572 144858 289716