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48530809 is a prime number
BaseRepresentation
bin1011100100100…
…0010101111001
310101022121202101
42321020111321
544410441214
64452103401
71126335145
oct271102571
9111277671
1048530809
1125437a08
1214304b61
13a092772
146634225
1543d9774
hex2e48579

48530809 has 2 divisors, whose sum is σ = 48530810. Its totient is φ = 48530808.

The previous prime is 48530777. The next prime is 48530857. The reversal of 48530809 is 90803584.

48530809 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 can be written as a sum of positive squares in only one way, i.e., 46280809 + 2250000 = 6803^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 48530809 - 25 = 48530777 is a prime.

It is not a weakly prime, because it can be changed into another prime (48030809) 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, 24265404 + 24265405.

It is an arithmetic number, because the mean of its divisors is an integer number (24265405).

Almost surely, 248530809 is an apocalyptic number.

It is an amenable number.

48530809 is a deficient number, since it is larger than the sum of its proper divisors (1).

48530809 is an equidigital number, since it uses as much as digits as its factorization.

48530809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 48530809 is about 6966.4057447151. The cubic root of 48530809 is about 364.7588549164.

The spelling of 48530809 in words is "forty-eight million, five hundred thirty thousand, eight hundred nine".