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289049 is a prime number
BaseRepresentation
bin1000110100100011001
3112200111112
41012210121
533222144
610110105
72312465
oct1064431
9480445
10289049
11188192
1211b335
13a1747
14774a5
155a99e
hex46919

289049 has 2 divisors, whose sum is σ = 289050. Its totient is φ = 289048.

The previous prime is 289039. The next prime is 289063. The reversal of 289049 is 940982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235225 + 53824 = 485^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 289049 - 24 = 289033 is a prime.

It is not a weakly prime, because it can be changed into another prime (289019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144524 + 144525.

It is an arithmetic number, because the mean of its divisors is an integer number (144525).

2289049 is an apocalyptic number.

It is an amenable number.

289049 is a deficient number, since it is larger than the sum of its proper divisors (1).

289049 is an equidigital number, since it uses as much as digits as its factorization.

289049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 289049 is about 537.6327742986. The cubic root of 289049 is about 66.1186265704.

The spelling of 289049 in words is "two hundred eighty-nine thousand, forty-nine".