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289469 is a prime number
BaseRepresentation
bin1000110101010111101
3112201002002
41012222331
533230334
610112045
72313635
oct1065275
9481062
10289469
11188534
1211b625
13a19ab
14776c5
155ab7e
hex46abd

289469 has 2 divisors, whose sum is σ = 289470. Its totient is φ = 289468.

The previous prime is 289463. The next prime is 289477. The reversal of 289469 is 964982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289444 + 25 = 538^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 289469 - 24 = 289453 is a prime.

It is a super-2 number, since 2×2894692 = 167584603922, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144734 + 144735.

It is an arithmetic number, because the mean of its divisors is an integer number (144735).

2289469 is an apocalyptic number.

It is an amenable number.

289469 is a deficient number, since it is larger than the sum of its proper divisors (1).

289469 is an equidigital number, since it uses as much as digits as its factorization.

289469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 289469 is about 538.0232336991. The cubic root of 289469 is about 66.1506354268.

The spelling of 289469 in words is "two hundred eighty-nine thousand, four hundred sixty-nine".