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289035 = 3352141
BaseRepresentation
bin1000110100100001011
3112200111000
41012210023
533222120
610110043
72312445
oct1064413
9480430
10289035
1118817a
1211b323
13a1736
1477495
155a990
hex4690b

289035 has 16 divisors (see below), whose sum is σ = 514080. Its totient is φ = 154080.

The previous prime is 289033. The next prime is 289039. The reversal of 289035 is 530982.

It is not a de Polignac number, because 289035 - 21 = 289033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

289035 is a lucky number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (289031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2289035 is an apocalyptic number.

289035 is a deficient number, since it is larger than the sum of its proper divisors (225045).

289035 is a wasteful number, since it uses less digits than its factorization.

289035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 289035 is about 537.6197541014. The cubic root of 289035 is about 66.1175590747.

The spelling of 289035 in words is "two hundred eighty-nine thousand, thirty-five".

Divisors: 1 3 5 9 15 27 45 135 2141 6423 10705 19269 32115 57807 96345 289035