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30325837 is a prime number
BaseRepresentation
bin111001110101…
…1110001001101
32010001201020011
41303223301031
530230411322
63001553221
7515523343
oct163536115
963051204
1030325837
1116133283
12a1a5811
13638a3a9
144055993
1529e0677
hex1cebc4d

30325837 has 2 divisors, whose sum is σ = 30325838. Its totient is φ = 30325836.

The previous prime is 30325831. The next prime is 30325853. The reversal of 30325837 is 73852303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 9801 = 5506^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 30325837 - 27 = 30325709 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30325799 and 30325808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30325831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162918 + 15162919.

It is an arithmetic number, because the mean of its divisors is an integer number (15162919).

Almost surely, 230325837 is an apocalyptic number.

It is an amenable number.

30325837 is a deficient number, since it is larger than the sum of its proper divisors (1).

30325837 is an equidigital number, since it uses as much as digits as its factorization.

30325837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 30325837 is about 5506.8899571355. The cubic root of 30325837 is about 311.8441481363.

The spelling of 30325837 in words is "thirty million, three hundred twenty-five thousand, eight hundred thirty-seven".