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289316 = 22151479
BaseRepresentation
bin1000110101000100100
3112200212102
41012220210
533224231
610111232
72313326
oct1065044
9480772
10289316
11188405
1211b518
13a18c1
1477616
155aacb
hex46a24

289316 has 12 divisors (see below), whose sum is σ = 510720. Its totient is φ = 143400.

The previous prime is 289309. The next prime is 289319. The reversal of 289316 is 613982.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (289319) by changing a digit.

289316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 365 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (42560).

2289316 is an apocalyptic number.

It is an amenable number.

289316 is a deficient number, since it is larger than the sum of its proper divisors (221404).

289316 is a wasteful number, since it uses less digits than its factorization.

With its successor (289317) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (632).

289316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 289316 is about 537.8810277375. The cubic root of 289316 is about 66.1389786450.

The spelling of 289316 in words is "two hundred eighty-nine thousand, three hundred sixteen".

Divisors: 1 2 4 151 302 479 604 958 1916 72329 144658 289316