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47305393 is a prime number
BaseRepresentation
bin1011010001110…
…1001010110001
310022000100210121
42310131022301
544102233033
64405530241
71113042412
oct264351261
9108010717
1047305393
1124780273
1213a13981
139a53a75
1463d5809
15424662d
hex2d1d2b1

47305393 has 2 divisors, whose sum is σ = 47305394. Its totient is φ = 47305392.

The previous prime is 47305381. The next prime is 47305397. The reversal of 47305393 is 39350374.

47305393 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., 32001649 + 15303744 = 5657^2 + 3912^2 .

It is a cyclic number.

It is not a de Polignac number, because 47305393 - 25 = 47305361 is a prime.

It is not a weakly prime, because it can be changed into another prime (47305397) 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, 23652696 + 23652697.

It is an arithmetic number, because the mean of its divisors is an integer number (23652697).

Almost surely, 247305393 is an apocalyptic number.

It is an amenable number.

47305393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47305393 is an equidigital number, since it uses as much as digits as its factorization.

47305393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 47305393 is about 6877.8916100794. The cubic root of 47305393 is about 361.6625595981.

The spelling of 47305393 in words is "forty-seven million, three hundred five thousand, three hundred ninety-three".