Search a number
-
+
250233649 is a prime number
BaseRepresentation
bin11101110101001…
…00001100110001
3122102212012000221
432322210030301
51003024434044
640455213041
76125644111
oct1672441461
9572765027
10250233649
11119283276
126b977181
133cac4b63
142533b041
1516e7d484
hexeea4331

250233649 has 2 divisors, whose sum is σ = 250233650. Its totient is φ = 250233648.

The previous prime is 250233647. The next prime is 250233653. The reversal of 250233649 is 946332052.

250233649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 63091249 = 13680^2 + 7943^2 .

It is a cyclic number.

It is not a de Polignac number, because 250233649 - 21 = 250233647 is a prime.

Together with 250233647, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (250233647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125116824 + 125116825.

It is an arithmetic number, because the mean of its divisors is an integer number (125116825).

Almost surely, 2250233649 is an apocalyptic number.

It is an amenable number.

250233649 is a deficient number, since it is larger than the sum of its proper divisors (1).

250233649 is an equidigital number, since it uses as much as digits as its factorization.

250233649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 250233649 is about 15818.7752054323. The cubic root of 250233649 is about 630.1567167024.

The spelling of 250233649 in words is "two hundred fifty million, two hundred thirty-three thousand, six hundred forty-nine".