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47291029 is a prime number
BaseRepresentation
bin1011010001100…
…1101010010101
310021222122002121
42310121222111
544101303104
64405335541
71112652502
oct264315225
9107878077
1047291029
11247704a5
1213a075b1
139a4a376
1463d04a9
154242254
hex2d19a95

47291029 has 2 divisors, whose sum is σ = 47291030. Its totient is φ = 47291028.

The previous prime is 47291021. The next prime is 47291039. The reversal of 47291029 is 92019274.

It is a happy number.

47291029 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., 47238129 + 52900 = 6873^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 47291029 - 23 = 47291021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47290985 and 47291003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47291021) 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, 23645514 + 23645515.

It is an arithmetic number, because the mean of its divisors is an integer number (23645515).

Almost surely, 247291029 is an apocalyptic number.

It is an amenable number.

47291029 is a deficient number, since it is larger than the sum of its proper divisors (1).

47291029 is an equidigital number, since it uses as much as digits as its factorization.

47291029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 47291029 is about 6876.8473154491. The cubic root of 47291029 is about 361.6259503339.

The spelling of 47291029 in words is "forty-seven million, two hundred ninety-one thousand, twenty-nine".