Search a number
-
+
289704 = 23312071
BaseRepresentation
bin1000110101110101000
3112201101210
41012232220
533232304
610113120
72314422
oct1065650
9481353
10289704
11188728
1211b7a0
13a1b2c
1477812
155ac89
hex46ba8

289704 has 16 divisors (see below), whose sum is σ = 724320. Its totient is φ = 96560.

The previous prime is 289669. The next prime is 289717. The reversal of 289704 is 407982.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6012 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (45270).

2289704 is an apocalyptic number.

289704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

289704 is an abundant number, since it is smaller than the sum of its proper divisors (434616).

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

289704 is a wasteful number, since it uses less digits than its factorization.

289704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080 (or 12076 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 289704 is about 538.2415814483. The cubic root of 289704 is about 66.1685316373.

The spelling of 289704 in words is "two hundred eighty-nine thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 24 12071 24142 36213 48284 72426 96568 144852 289704