Search a number
-
+
49995637 is a prime number
BaseRepresentation
bin1011111010110…
…1111101110101
310111002001010021
42332231331311
5100244330022
64543325141
71144645606
oct276557565
9114061107
1049995637
112624850a
12148b07b1
13a486423
1468d5dad
1545c87c7
hex2fadf75

49995637 has 2 divisors, whose sum is σ = 49995638. Its totient is φ = 49995636.

The previous prime is 49995613. The next prime is 49995679. The reversal of 49995637 is 73659994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29691601 + 20304036 = 5449^2 + 4506^2 .

It is a cyclic number.

It is not a de Polignac number, because 49995637 - 211 = 49993589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49995697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24997818 + 24997819.

It is an arithmetic number, because the mean of its divisors is an integer number (24997819).

Almost surely, 249995637 is an apocalyptic number.

It is an amenable number.

49995637 is a deficient number, since it is larger than the sum of its proper divisors (1).

49995637 is an equidigital number, since it uses as much as digits as its factorization.

49995637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 52.

The square root of 49995637 is about 7070.7592944464. The cubic root of 49995637 is about 368.3924339327.

The spelling of 49995637 in words is "forty-nine million, nine hundred ninety-five thousand, six hundred thirty-seven".