Search a number
-
+
289604 = 22710343
BaseRepresentation
bin1000110101101000100
3112201021002
41012231010
533231404
610112432
72314220
oct1065504
9481232
10289604
11188647
1211b718
13a1a83
1477780
155ac1e
hex46b44

289604 has 12 divisors (see below), whose sum is σ = 579264. Its totient is φ = 124104.

The previous prime is 289603. The next prime is 289607. The reversal of 289604 is 406982.

289604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

289604 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289604.

It is not an unprimeable number, because it can be changed into a prime (289603) 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, 5144 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (48272).

2289604 is an apocalyptic number.

It is an amenable number.

289604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

289604 is a wasteful number, since it uses less digits than its factorization.

289604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10354 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 289604 is about 538.1486783408. The cubic root of 289604 is about 66.1609174119.

The spelling of 289604 in words is "two hundred eighty-nine thousand, six hundred four".

Divisors: 1 2 4 7 14 28 10343 20686 41372 72401 144802 289604