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48494609 is a prime number
BaseRepresentation
bin1011100011111…
…1100000010001
310101020210002122
42320333200101
544403311414
64451224025
71126124462
oct270774021
9111223078
1048494609
1125412799
12142a8015
13a07c147
146624d69
1543cdb8e
hex2e3f811

48494609 has 2 divisors, whose sum is σ = 48494610. Its totient is φ = 48494608.

The previous prime is 48494599. The next prime is 48494617. The reversal of 48494609 is 90649484.

It is a happy number.

48494609 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., 30030400 + 18464209 = 5480^2 + 4297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48494609 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48494609.

It is not a weakly prime, because it can be changed into another prime (48494689) 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, 24247304 + 24247305.

It is an arithmetic number, because the mean of its divisors is an integer number (24247305).

Almost surely, 248494609 is an apocalyptic number.

It is an amenable number.

48494609 is a deficient number, since it is larger than the sum of its proper divisors (1).

48494609 is an equidigital number, since it uses as much as digits as its factorization.

48494609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 48494609 is about 6963.8070765925. The cubic root of 48494609 is about 364.6681389686.

The spelling of 48494609 in words is "forty-eight million, four hundred ninety-four thousand, six hundred nine".