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39830029 is a prime number
BaseRepresentation
bin1001011111110…
…0001000001101
32202221120112021
42113330020031
540144030104
63541410141
7662356351
oct227741015
982846467
1039830029
1120534988
1211409951
138337385
14540b461
15376b754
hex25fc20d

39830029 has 2 divisors, whose sum is σ = 39830030. Its totient is φ = 39830028.

The previous prime is 39830027. The next prime is 39830047. The reversal of 39830029 is 92003893.

39830029 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., 33327529 + 6502500 = 5773^2 + 2550^2 .

It is a cyclic number.

It is not a de Polignac number, because 39830029 - 21 = 39830027 is a prime.

Together with 39830027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 39829976 and 39830003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39830027) 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, 19915014 + 19915015.

It is an arithmetic number, because the mean of its divisors is an integer number (19915015).

Almost surely, 239830029 is an apocalyptic number.

It is an amenable number.

39830029 is a deficient number, since it is larger than the sum of its proper divisors (1).

39830029 is an equidigital number, since it uses as much as digits as its factorization.

39830029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 39830029 is about 6311.1036277342. The cubic root of 39830029 is about 341.5100910437.

The spelling of 39830029 in words is "thirty-nine million, eight hundred thirty thousand, twenty-nine".