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30325189 is a prime number
BaseRepresentation
bin111001110101…
…1100111000101
32010001200100011
41303223213011
530230401224
63001550221
7515521426
oct163534705
963050304
1030325189
1116132844
12a1a5371
136389ccb
14405564d
1529e0394
hex1ceb9c5

30325189 has 2 divisors, whose sum is σ = 30325190. Its totient is φ = 30325188.

The previous prime is 30325151. The next prime is 30325193. The reversal of 30325189 is 98152303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 20164 = 5505^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 30325189 - 211 = 30323141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30325189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30325289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162594 + 15162595.

It is an arithmetic number, because the mean of its divisors is an integer number (15162595).

Almost surely, 230325189 is an apocalyptic number.

It is an amenable number.

30325189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30325189 is an equidigital number, since it uses as much as digits as its factorization.

30325189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 30325189 is about 5506.8311214345. The cubic root of 30325189 is about 311.8419269670.

The spelling of 30325189 in words is "thirty million, three hundred twenty-five thousand, one hundred eighty-nine".