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30270029 is a prime number
BaseRepresentation
bin111001101111…
…0001001001101
32002221212200012
41303132021031
530222120104
63000443005
7515201546
oct163361115
962855605
1030270029
11160a5359
12a179465
13636ab7a
14403d4cd
1529cdd6e
hex1cde24d

30270029 has 2 divisors, whose sum is σ = 30270030. Its totient is φ = 30270028.

The previous prime is 30270011. The next prime is 30270041. The reversal of 30270029 is 92007203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30228004 + 42025 = 5498^2 + 205^2 .

It is an emirp because it is prime and its reverse (92007203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30270029 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 = 30269986 and 30270013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30275029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15135014 + 15135015.

It is an arithmetic number, because the mean of its divisors is an integer number (15135015).

Almost surely, 230270029 is an apocalyptic number.

It is an amenable number.

30270029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30270029 is an equidigital number, since it uses as much as digits as its factorization.

30270029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30270029 is about 5501.8205168835. The cubic root of 30270029 is about 311.6527372628.

The spelling of 30270029 in words is "thirty million, two hundred seventy thousand, twenty-nine".