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30314189 is a prime number
BaseRepresentation
bin111001110100…
…0111011001101
32010001010020202
41303220323031
530230023224
63001423245
7515444363
oct163507315
963033222
1030314189
1116125554
12a19ab25
136384cb9
144051633
1529dbeae
hex1ce8ecd

30314189 has 2 divisors, whose sum is σ = 30314190. Its totient is φ = 30314188.

The previous prime is 30314113. The next prime is 30314191. The reversal of 30314189 is 98141303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16933225 + 13380964 = 4115^2 + 3658^2 .

It is a cyclic number.

It is not a de Polignac number, because 30314189 - 224 = 13536973 is a prime.

Together with 30314191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30344189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157094 + 15157095.

It is an arithmetic number, because the mean of its divisors is an integer number (15157095).

Almost surely, 230314189 is an apocalyptic number.

It is an amenable number.

30314189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30314189 is an equidigital number, since it uses as much as digits as its factorization.

30314189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 30314189 is about 5505.8322713283. The cubic root of 30314189 is about 311.8042171055.

It can be divided in two parts, 30314 and 189, that added together give a palindrome (30503).

The spelling of 30314189 in words is "thirty million, three hundred fourteen thousand, one hundred eighty-nine".