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289041 = 3235971
BaseRepresentation
bin1000110100100010001
3112200111020
41012210101
533222131
610110053
72312454
oct1064421
9480436
10289041
11188185
1211b329
13a173c
147749b
155a996
hex46911

289041 has 16 divisors (see below), whose sum is σ = 414720. Its totient is φ = 178640.

The previous prime is 289039. The next prime is 289049. The reversal of 289041 is 140982.

It is a cyclic number.

It is not a de Polignac number, because 289041 - 21 = 289039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4036 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2289041 is an apocalyptic number.

It is an amenable number.

289041 is a deficient number, since it is larger than the sum of its proper divisors (125679).

289041 is a wasteful number, since it uses less digits than its factorization.

289041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 289041 is about 537.6253342245. The cubic root of 289041 is about 66.1180165771.

The spelling of 289041 in words is "two hundred eighty-nine thousand, forty-one".

Divisors: 1 3 23 59 69 71 177 213 1357 1633 4071 4189 4899 12567 96347 289041