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289113 = 3118761
BaseRepresentation
bin1000110100101011001
3112200120220
41012211121
533222423
610110253
72312616
oct1064531
9480526
10289113
11188240
1211b389
13a1796
147750d
155a9e3
hex46959

289113 has 8 divisors (see below), whose sum is σ = 420576. Its totient is φ = 175200.

The previous prime is 289111. The next prime is 289127. The reversal of 289113 is 311982.

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

It is not a de Polignac number, because 289113 - 21 = 289111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289111) 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, 4348 + ... + 4413.

It is an arithmetic number, because the mean of its divisors is an integer number (52572).

2289113 is an apocalyptic number.

It is an amenable number.

289113 is a deficient number, since it is larger than the sum of its proper divisors (131463).

289113 is a wasteful number, since it uses less digits than its factorization.

289113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775.

The product of its digits is 432, while the sum is 24.

The square root of 289113 is about 537.6922911852. The cubic root of 289113 is about 66.1235061120.

The spelling of 289113 in words is "two hundred eighty-nine thousand, one hundred thirteen".

Divisors: 1 3 11 33 8761 26283 96371 289113