Search a number
-
+
250796389 is a prime number
BaseRepresentation
bin11101111001011…
…01100101100101
3122110220202222011
432330231211211
51003200441024
640515234221
76133506544
oct1674554545
9573822864
10250796389
11119628048
126bba8971
133cc6103c
142544615b
1517040094
hexef2d965

250796389 has 2 divisors, whose sum is σ = 250796390. Its totient is φ = 250796388.

The previous prime is 250796341. The next prime is 250796401. The reversal of 250796389 is 983697052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192044164 + 58752225 = 13858^2 + 7665^2 .

It is a cyclic number.

It is not a de Polignac number, because 250796389 - 215 = 250763621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250796489) 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, 125398194 + 125398195.

It is an arithmetic number, because the mean of its divisors is an integer number (125398195).

Almost surely, 2250796389 is an apocalyptic number.

It is an amenable number.

250796389 is a deficient number, since it is larger than the sum of its proper divisors (1).

250796389 is an equidigital number, since it uses as much as digits as its factorization.

250796389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 250796389 is about 15836.5523078731. The cubic root of 250796389 is about 630.6287407460.

It can be divided in two parts, 2507963 and 89, that added together give a palindrome (2508052).

The spelling of 250796389 in words is "two hundred fifty million, seven hundred ninety-six thousand, three hundred eighty-nine".