Search a number
-
+
290317 is a prime number
BaseRepresentation
bin1000110111000001101
3112202020111
41012320031
533242232
610120021
72316256
oct1067015
9482214
10290317
11189135
12120011
13a21b1
1477b2d
155b047
hex46e0d

290317 has 2 divisors, whose sum is σ = 290318. Its totient is φ = 290316.

The previous prime is 290249. The next prime is 290327. The reversal of 290317 is 713092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184041 + 106276 = 429^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 290317 - 27 = 290189 is a prime.

It is equal to p25249 and since 290317 and 25249 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145158 + 145159.

It is an arithmetic number, because the mean of its divisors is an integer number (145159).

2290317 is an apocalyptic number.

It is an amenable number.

290317 is a deficient number, since it is larger than the sum of its proper divisors (1).

290317 is an equidigital number, since it uses as much as digits as its factorization.

290317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 290317 is about 538.8107274359. The cubic root of 290317 is about 66.2151685896.

The spelling of 290317 in words is "two hundred ninety thousand, three hundred seventeen".