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289348 = 2272337
BaseRepresentation
bin1000110101001000100
3112200220121
41012221010
533224343
610111324
72313403
oct1065104
9480817
10289348
11188434
1211b544
13a1917
147763a
155aaed
hex46a44

289348 has 6 divisors (see below), whose sum is σ = 506366. Its totient is φ = 144672.

The previous prime is 289343. The next prime is 289349. The reversal of 289348 is 843982.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 66564 = 472^2 + 258^2 .

It is not an unprimeable number, because it can be changed into a prime (289343) by changing a digit.

289348 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 as a sum of consecutive naturals, namely, 36165 + ... + 36172.

2289348 is an apocalyptic number.

It is an amenable number.

289348 is a deficient number, since it is larger than the sum of its proper divisors (217018).

289348 is a wasteful number, since it uses less digits than its factorization.

289348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72341 (or 72339 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 289348 is about 537.9107732701. The cubic root of 289348 is about 66.1414170046.

The spelling of 289348 in words is "two hundred eighty-nine thousand, three hundred forty-eight".

Divisors: 1 2 4 72337 144674 289348