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47260649 is a prime number
BaseRepresentation
bin1011010001001…
…0001111101001
310021221002102102
42310102033221
544044320044
64404543145
71112465102
oct264221751
9107832372
1047260649
112474a697
12139b1ab5
139a395a7
1463c33a9
15423824e
hex2d123e9

47260649 has 2 divisors, whose sum is σ = 47260650. Its totient is φ = 47260648.

The previous prime is 47260621. The next prime is 47260667. The reversal of 47260649 is 94606274.

47260649 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., 25684624 + 21576025 = 5068^2 + 4645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47260649 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p2846387 and since 47260649 and 2846387 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47260669) 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, 23630324 + 23630325.

It is an arithmetic number, because the mean of its divisors is an integer number (23630325).

Almost surely, 247260649 is an apocalyptic number.

It is an amenable number.

47260649 is a deficient number, since it is larger than the sum of its proper divisors (1).

47260649 is an equidigital number, since it uses as much as digits as its factorization.

47260649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 47260649 is about 6874.6380995657. The cubic root of 47260649 is about 361.5484969565.

The spelling of 47260649 in words is "forty-seven million, two hundred sixty thousand, six hundred forty-nine".