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51039029 is a prime number
BaseRepresentation
bin1100001010110…
…0101100110101
310120001001101102
43002230230311
5101031222104
65021535445
71156552556
oct302545465
9116031342
1051039029
11268a0418
1215114585
13a760312
146ac832d
154732a1e
hex30acb35

51039029 has 2 divisors, whose sum is σ = 51039030. Its totient is φ = 51039028.

The previous prime is 51039019. The next prime is 51039067. The reversal of 51039029 is 92093015.

51039029 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., 50438404 + 600625 = 7102^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 51039029 - 24 = 51039013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51038992 and 51039010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51039019) 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, 25519514 + 25519515.

It is an arithmetic number, because the mean of its divisors is an integer number (25519515).

Almost surely, 251039029 is an apocalyptic number.

It is an amenable number.

51039029 is a deficient number, since it is larger than the sum of its proper divisors (1).

51039029 is an equidigital number, since it uses as much as digits as its factorization.

51039029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 51039029 is about 7144.1604825200. The cubic root of 51039029 is about 370.9375516980.

The spelling of 51039029 in words is "fifty-one million, thirty-nine thousand, twenty-nine".