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47081029 is a prime number
BaseRepresentation
bin1011001110011…
…0011001000101
310021120222000211
42303212121011
544023043104
64401035421
71111116322
oct263463105
9107528024
1047081029
1124637746
1213925b71
1399a58c8
146377b49
1541eee04
hex2ce6645

47081029 has 2 divisors, whose sum is σ = 47081030. Its totient is φ = 47081028.

The previous prime is 47081017. The next prime is 47081051. The reversal of 47081029 is 92018074.

47081029 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., 46444225 + 636804 = 6815^2 + 798^2 .

It is a cyclic number.

It is not a de Polignac number, because 47081029 - 211 = 47078981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47081429) 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, 23540514 + 23540515.

It is an arithmetic number, because the mean of its divisors is an integer number (23540515).

Almost surely, 247081029 is an apocalyptic number.

It is an amenable number.

47081029 is a deficient number, since it is larger than the sum of its proper divisors (1).

47081029 is an equidigital number, since it uses as much as digits as its factorization.

47081029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 47081029 is about 6861.5617027030. The cubic root of 47081029 is about 361.0898787113.

The spelling of 47081029 in words is "forty-seven million, eighty-one thousand, twenty-nine".