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289244 = 22167433
BaseRepresentation
bin1000110100111011100
3112200202202
41012213130
533223434
610111032
72313164
oct1064734
9480682
10289244
1118834a
1211b478
13a1867
14775a4
155aa7e
hex469dc

289244 has 12 divisors (see below), whose sum is σ = 510384. Its totient is φ = 143424.

The previous prime is 289243. The next prime is 289249. The reversal of 289244 is 442982.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289244.

It is not an unprimeable number, because it can be changed into a prime (289241) 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, 452 + ... + 884.

It is an arithmetic number, because the mean of its divisors is an integer number (42532).

2289244 is an apocalyptic number.

It is an amenable number.

289244 is a deficient number, since it is larger than the sum of its proper divisors (221140).

289244 is a wasteful number, since it uses less digits than its factorization.

289244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 289244 is about 537.8140942742. The cubic root of 289244 is about 66.1334916786.

The spelling of 289244 in words is "two hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 4 167 334 433 668 866 1732 72311 144622 289244