Search a number
-
+
250894289 is a prime number
BaseRepresentation
bin11101111010001…
…01011111010001
3122111002202021002
432331011133101
51003212104124
640521311345
76134365142
oct1675053721
9574082232
10250894289
11119694658
1270035555
133cc96779
142546dac9
151705e0ae
hexef457d1

250894289 has 2 divisors, whose sum is σ = 250894290. Its totient is φ = 250894288.

The previous prime is 250894277. The next prime is 250894337. The reversal of 250894289 is 982498052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225240064 + 25654225 = 15008^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 250894289 - 224 = 234117073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (250894219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125447144 + 125447145.

It is an arithmetic number, because the mean of its divisors is an integer number (125447145).

Almost surely, 2250894289 is an apocalyptic number.

It is an amenable number.

250894289 is a deficient number, since it is larger than the sum of its proper divisors (1).

250894289 is an equidigital number, since it uses as much as digits as its factorization.

250894289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 250894289 is about 15839.6429568346. The cubic root of 250894289 is about 630.7107867467.

The spelling of 250894289 in words is "two hundred fifty million, eight hundred ninety-four thousand, two hundred eighty-nine".