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30114761 is a prime number
BaseRepresentation
bin111001011100…
…0001111001001
32002122222200112
41302320033021
530202133021
62553244105
7513654065
oct162701711
962588615
1030114761
1115aa9736
12a103635
1363152b1
143ddcaa5
15299cd5b
hex1cb83c9

30114761 has 2 divisors, whose sum is σ = 30114762. Its totient is φ = 30114760.

The previous prime is 30114757. The next prime is 30114793. The reversal of 30114761 is 16741103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 1428025 = 5356^2 + 1195^2 .

It is an emirp because it is prime and its reverse (16741103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30114761 - 22 = 30114757 is a prime.

It is not a weakly prime, because it can be changed into another prime (30104761) 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, 15057380 + 15057381.

It is an arithmetic number, because the mean of its divisors is an integer number (15057381).

Almost surely, 230114761 is an apocalyptic number.

It is an amenable number.

30114761 is a deficient number, since it is larger than the sum of its proper divisors (1).

30114761 is an equidigital number, since it uses as much as digits as its factorization.

30114761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 30114761 is about 5487.6917734144. The cubic root of 30114761 is about 311.1189565718.

Adding to 30114761 its reverse (16741103), we get a palindrome (46855864).

The spelling of 30114761 in words is "thirty million, one hundred fourteen thousand, seven hundred sixty-one".