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30080009 is a prime number
BaseRepresentation
bin111001010111…
…1110000001001
32002121020000102
41302233300021
530200030014
62552415145
7513450551
oct162576011
962536012
1030080009
1115a85613
12a0a74b5
13630252b
143dd0161
1529928de
hex1cafc09

30080009 has 2 divisors, whose sum is σ = 30080010. Its totient is φ = 30080008.

The previous prime is 30079999. The next prime is 30080023. The reversal of 30080009 is 90008003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 5359225 = 4972^2 + 2315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30080009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30080069) 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, 15040004 + 15040005.

It is an arithmetic number, because the mean of its divisors is an integer number (15040005).

Almost surely, 230080009 is an apocalyptic number.

It is an amenable number.

30080009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30080009 is an equidigital number, since it uses as much as digits as its factorization.

30080009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30080009 is about 5484.5245008114. The cubic root of 30080009 is about 310.9992349109. Note that the first 3 decimals are identical.

The spelling of 30080009 in words is "thirty million, eighty thousand, nine".