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289234 = 21113147
BaseRepresentation
bin1000110100111010010
3112200202101
41012213102
533223414
610111014
72313151
oct1064722
9480671
10289234
11188340
1211b46a
13a185a
1477598
155aa74
hex469d2

289234 has 8 divisors (see below), whose sum is σ = 473328. Its totient is φ = 131460.

The previous prime is 289213. The next prime is 289241. The reversal of 289234 is 432982.

It can be divided in two parts, 2892 and 34, that added together give a triangular number (2926 = T76).

289234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 6552 + ... + 6595.

It is an arithmetic number, because the mean of its divisors is an integer number (59166).

2289234 is an apocalyptic number.

289234 is a deficient number, since it is larger than the sum of its proper divisors (184094).

289234 is a wasteful number, since it uses less digits than its factorization.

289234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13160.

The product of its digits is 3456, while the sum is 28.

The square root of 289234 is about 537.8047973010. The cubic root of 289234 is about 66.1327295279.

The spelling of 289234 in words is "two hundred eighty-nine thousand, two hundred thirty-four".

Divisors: 1 2 11 22 13147 26294 144617 289234