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289282 = 2720663
BaseRepresentation
bin1000110101000000010
3112200211011
41012220002
533224112
610111134
72313250
oct1065002
9480734
10289282
11188384
1211b4aa
13a1896
14775d0
155aaa7
hex46a02

289282 has 8 divisors (see below), whose sum is σ = 495936. Its totient is φ = 123972.

The previous prime is 289273. The next prime is 289283. The reversal of 289282 is 282982.

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

It is not an unprimeable number, because it can be changed into a prime (289283) by changing a digit.

289282 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, 10318 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2289282 is an apocalyptic number.

289282 is a deficient number, since it is larger than the sum of its proper divisors (206654).

289282 is a wasteful number, since it uses less digits than its factorization.

289282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672.

The product of its digits is 4608, while the sum is 31.

The square root of 289282 is about 537.8494213067. The cubic root of 289282 is about 66.1363876910.

The spelling of 289282 in words is "two hundred eighty-nine thousand, two hundred eighty-two".

Divisors: 1 2 7 14 20663 41326 144641 289282