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30018017 is a prime number
BaseRepresentation
bin111001010000…
…0100111100001
32002111001222102
41302200213201
530141034032
62551220145
7513102041
oct162404741
962431872
1030018017
1115a42a87
12a077655
1362b0253
143db5721
15297e362
hex1ca09e1

30018017 has 2 divisors, whose sum is σ = 30018018. Its totient is φ = 30018016.

The previous prime is 30017983. The next prime is 30018047. The reversal of 30018017 is 71081003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24960016 + 5058001 = 4996^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 30018017 - 28 = 30017761 is a prime.

It is a super-2 number, since 2×300180172 = 1802162689224578, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30018017.

It is not a weakly prime, because it can be changed into another prime (30018047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15009008 + 15009009.

It is an arithmetic number, because the mean of its divisors is an integer number (15009009).

Almost surely, 230018017 is an apocalyptic number.

It is an amenable number.

30018017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30018017 is an equidigital number, since it uses as much as digits as its factorization.

30018017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 30018017 is about 5478.8700477379. The cubic root of 30018017 is about 310.7854414894.

The spelling of 30018017 in words is "thirty million, eighteen thousand, seventeen".