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50490779 = 91954941
BaseRepresentation
bin1100000010011…
…0110110011011
310112000012022212
43000212312123
5100411201104
65002105335
71152110303
oct300466633
9115005285
1050490779
1126556519
1214aab24b
13a5ca901
1469c4603
15467536e
hex3026d9b

50490779 has 4 divisors (see below), whose sum is σ = 50546640. Its totient is φ = 50434920.

The previous prime is 50490763. The next prime is 50490793. The reversal of 50490779 is 97709405.

It is a happy number.

50490779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50490779 - 24 = 50490763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50490719) 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 in 3 ways as a sum of consecutive naturals, for example, 26552 + ... + 28389.

It is an arithmetic number, because the mean of its divisors is an integer number (12636660).

Almost surely, 250490779 is an apocalyptic number.

50490779 is a deficient number, since it is larger than the sum of its proper divisors (55861).

50490779 is an equidigital number, since it uses as much as digits as its factorization.

50490779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55860.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 50490779 is about 7105.6863848611. The cubic root of 50490779 is about 369.6045909793.

The spelling of 50490779 in words is "fifty million, four hundred ninety thousand, seven hundred seventy-nine".

Divisors: 1 919 54941 50490779