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30019529 is a prime number
BaseRepresentation
bin111001010000…
…0111111001001
32002111011001102
41302200333021
530141111104
62551231145
7513106331
oct162407711
962434042
1030019529
1115a44131
12a0784b5
1362b0b47
143db60c1
15297ea1e
hex1ca0fc9

30019529 has 2 divisors, whose sum is σ = 30019530. Its totient is φ = 30019528.

The previous prime is 30019513. The next prime is 30019537. The reversal of 30019529 is 92591003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 4243600 = 5077^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 30019529 - 24 = 30019513 is a prime.

It is not a weakly prime, because it can be changed into another prime (30019589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15009764 + 15009765.

It is an arithmetic number, because the mean of its divisors is an integer number (15009765).

Almost surely, 230019529 is an apocalyptic number.

It is an amenable number.

30019529 is a deficient number, since it is larger than the sum of its proper divisors (1).

30019529 is an equidigital number, since it uses as much as digits as its factorization.

30019529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 30019529 is about 5479.0080306566. The cubic root of 30019529 is about 310.7906594634.

The spelling of 30019529 in words is "thirty million, nineteen thousand, five hundred twenty-nine".