Search a number
-
+
49951169 is a prime number
BaseRepresentation
bin1011111010001…
…1000111000001
310110222210010022
42332203013001
5100241414134
64542343225
71144402142
oct276430701
9113883108
1049951169
1126218064
121488ab15
13a46c108
1468c3ac9
1545ba52e
hex2fa31c1

49951169 has 2 divisors, whose sum is σ = 49951170. Its totient is φ = 49951168.

The previous prime is 49951141. The next prime is 49951241. The reversal of 49951169 is 96115994.

49951169 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., 48163600 + 1787569 = 6940^2 + 1337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49951169 is a prime.

It is a super-2 number, since 2×499511692 = 4990238568933122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49951669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24975584 + 24975585.

It is an arithmetic number, because the mean of its divisors is an integer number (24975585).

Almost surely, 249951169 is an apocalyptic number.

It is an amenable number.

49951169 is a deficient number, since it is larger than the sum of its proper divisors (1).

49951169 is an equidigital number, since it uses as much as digits as its factorization.

49951169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 44.

The square root of 49951169 is about 7067.6140952941. The cubic root of 49951169 is about 368.2831808394.

The spelling of 49951169 in words is "forty-nine million, nine hundred fifty-one thousand, one hundred sixty-nine".