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30029161 is a prime number
BaseRepresentation
bin111001010001…
…1010101101001
32002111122021011
41302203111221
530141413121
62551343521
7513146401
oct162432551
962448234
1030029161
1115a50398
12a081ba1
1362b5346
143db9801
1529827e1
hex1ca3569

30029161 has 2 divisors, whose sum is σ = 30029162. Its totient is φ = 30029160.

The previous prime is 30029147. The next prime is 30029201. The reversal of 30029161 is 16192003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 9272025 = 4556^2 + 3045^2 .

It is an emirp because it is prime and its reverse (16192003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30029161 is a prime.

It is not a weakly prime, because it can be changed into another prime (30029561) 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, 15014580 + 15014581.

It is an arithmetic number, because the mean of its divisors is an integer number (15014581).

Almost surely, 230029161 is an apocalyptic number.

It is an amenable number.

30029161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30029161 is an equidigital number, since it uses as much as digits as its factorization.

30029161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 30029161 is about 5479.8869513887. The cubic root of 30029161 is about 310.8238957779.

The spelling of 30029161 in words is "thirty million, twenty-nine thousand, one hundred sixty-one".