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289434 = 2348239
BaseRepresentation
bin1000110101010011010
3112201000210
41012222122
533230214
610111550
72313555
oct1065232
9481023
10289434
11188502
1211b5b6
13a1982
147769c
155ab59
hex46a9a

289434 has 8 divisors (see below), whose sum is σ = 578880. Its totient is φ = 96476.

The previous prime is 289423. The next prime is 289439. The reversal of 289434 is 434982.

It is a happy number.

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

289434 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 289434.

It is not an unprimeable number, because it can be changed into a prime (289439) by changing a digit.

289434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24114 + ... + 24125.

It is an arithmetic number, because the mean of its divisors is an integer number (72360).

2289434 is an apocalyptic number.

289434 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.

289434 is a wasteful number, since it uses less digits than its factorization.

289434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48244.

The product of its digits is 6912, while the sum is 30.

The square root of 289434 is about 537.9907062394. The cubic root of 289434 is about 66.1479692051.

The spelling of 289434 in words is "two hundred eighty-nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 48239 96478 144717 289434