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30830203 is a prime number
BaseRepresentation
bin111010110011…
…0111001111011
32011000100002101
41311212321323
530343031303
63020444231
7523023655
oct165467173
964010071
1030830203
1116448208
12a3a9677
136505b31
1441476d5
152a8ed1d
hex1d66e7b

30830203 has 2 divisors, whose sum is σ = 30830204. Its totient is φ = 30830202.

The previous prime is 30830201. The next prime is 30830207. The reversal of 30830203 is 30203803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30830203 - 21 = 30830201 is a prime.

Together with 30830201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30830201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415101 + 15415102.

It is an arithmetic number, because the mean of its divisors is an integer number (15415102).

Almost surely, 230830203 is an apocalyptic number.

30830203 is a deficient number, since it is larger than the sum of its proper divisors (1).

30830203 is an equidigital number, since it uses as much as digits as its factorization.

30830203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30830203 is about 5552.4952048606. The cubic root of 30830203 is about 313.5634697043.

The spelling of 30830203 in words is "thirty million, eight hundred thirty thousand, two hundred three".