Search a number
-
+
49733561 is a prime number
BaseRepresentation
bin1011110110110…
…1111110111001
310110120201121202
42331231332321
5100212433221
64533543545
71142504543
oct275557671
9113521552
1049733561
1126089619
12147a4bb5
13a3c4057
146868693
154575d0b
hex2f6dfb9

49733561 has 2 divisors, whose sum is σ = 49733562. Its totient is φ = 49733560.

The previous prime is 49733543. The next prime is 49733569. The reversal of 49733561 is 16533794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 12033961 = 6140^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 49733561 - 214 = 49717177 is a prime.

It is not a weakly prime, because it can be changed into another prime (49733569) 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, 24866780 + 24866781.

It is an arithmetic number, because the mean of its divisors is an integer number (24866781).

Almost surely, 249733561 is an apocalyptic number.

It is an amenable number.

49733561 is a deficient number, since it is larger than the sum of its proper divisors (1).

49733561 is an equidigital number, since it uses as much as digits as its factorization.

49733561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 49733561 is about 7052.2025637385. The cubic root of 49733561 is about 367.7476042831.

The spelling of 49733561 in words is "forty-nine million, seven hundred thirty-three thousand, five hundred sixty-one".