Search a number
-
+
49980737 is a prime number
BaseRepresentation
bin1011111010101…
…0010101000001
310111001021200102
42332222111001
5100243340422
64543132145
71144554302
oct276522501
9114037612
1049980737
11262382a4
12148a4055
13a47c701
1468d07a9
1545c4192
hex2faa541

49980737 has 2 divisors, whose sum is σ = 49980738. Its totient is φ = 49980736.

The previous prime is 49980713. The next prime is 49980739. The reversal of 49980737 is 73708994.

49980737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40500496 + 9480241 = 6364^2 + 3079^2 .

It is a cyclic number.

It is not a de Polignac number, because 49980737 - 28 = 49980481 is a prime.

Together with 49980739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49980691 and 49980700.

It is not a weakly prime, because it can be changed into another prime (49980739) 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, 24990368 + 24990369.

It is an arithmetic number, because the mean of its divisors is an integer number (24990369).

Almost surely, 249980737 is an apocalyptic number.

It is an amenable number.

49980737 is a deficient number, since it is larger than the sum of its proper divisors (1).

49980737 is an equidigital number, since it uses as much as digits as its factorization.

49980737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 49980737 is about 7069.7055808570. The cubic root of 49980737 is about 368.3558334546.

The spelling of 49980737 in words is "forty-nine million, nine hundred eighty thousand, seven hundred thirty-seven".