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50979947 is a prime number
BaseRepresentation
bin1100001001111…
…0010001101011
310112221001100012
43002132101223
5101022324242
65020402135
71156215404
oct302362153
9115831305
1050979947
112685aa97
12150a634b
13a73c465
146ab09ab
154720282
hex309e46b

50979947 has 2 divisors, whose sum is σ = 50979948. Its totient is φ = 50979946.

The previous prime is 50979931. The next prime is 50979967. The reversal of 50979947 is 74997905.

50979947 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 is a cyclic number.

It is not a de Polignac number, because 50979947 - 24 = 50979931 is a prime.

It is a super-3 number, since 3×509799473 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50979895 and 50979904.

It is not a weakly prime, because it can be changed into another prime (50979967) 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, 25489973 + 25489974.

It is an arithmetic number, because the mean of its divisors is an integer number (25489974).

Almost surely, 250979947 is an apocalyptic number.

50979947 is a deficient number, since it is larger than the sum of its proper divisors (1).

50979947 is an equidigital number, since it uses as much as digits as its factorization.

50979947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 50979947 is about 7140.0242996785. The cubic root of 50979947 is about 370.7943658868.

The spelling of 50979947 in words is "fifty million, nine hundred seventy-nine thousand, nine hundred forty-seven".