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30030061 is a prime number
BaseRepresentation
bin111001010001…
…1100011101101
32002111200111111
41302203203231
530141430221
62551352021
7513152125
oct162434355
962450444
1030030061
1115a51036
12a082611
1362b5889
143db9c85
152982be1
hex1ca38ed

30030061 has 2 divisors, whose sum is σ = 30030062. Its totient is φ = 30030060.

The previous prime is 30030043. The next prime is 30030067. The reversal of 30030061 is 16003003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 1674436 = 5325^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 30030061 - 215 = 29997293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30030067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015030 + 15015031.

It is an arithmetic number, because the mean of its divisors is an integer number (15015031).

Almost surely, 230030061 is an apocalyptic number.

It is an amenable number.

30030061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30030061 is an equidigital number, since it uses as much as digits as its factorization.

30030061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30030061 is about 5479.9690692558. The cubic root of 30030061 is about 310.8270009675.

Adding to 30030061 its reverse (16003003), we get a palindrome (46033064).

The spelling of 30030061 in words is "thirty million, thirty thousand, sixty-one".