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30124841 is a prime number
BaseRepresentation
bin111001011101…
…0101100101001
32002200111111212
41302322230221
530202443331
62553402505
7514025345
oct162725451
962614455
1030124841
111600626a
12a109435
136319a66
144002625
1529a0d2b
hex1cbab29

30124841 has 2 divisors, whose sum is σ = 30124842. Its totient is φ = 30124840.

The previous prime is 30124753. The next prime is 30124859. The reversal of 30124841 is 14842103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26739241 + 3385600 = 5171^2 + 1840^2 .

It is an emirp because it is prime and its reverse (14842103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30124841 - 214 = 30108457 is a prime.

It is not a weakly prime, because it can be changed into another prime (30124541) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15062420 + 15062421.

It is an arithmetic number, because the mean of its divisors is an integer number (15062421).

Almost surely, 230124841 is an apocalyptic number.

It is an amenable number.

30124841 is a deficient number, since it is larger than the sum of its proper divisors (1).

30124841 is an equidigital number, since it uses as much as digits as its factorization.

30124841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30124841 is about 5488.6101155028. The cubic root of 30124841 is about 311.1536652345.

Adding to 30124841 its reverse (14842103), we get a palindrome (44966944).

The spelling of 30124841 in words is "thirty million, one hundred twenty-four thousand, eight hundred forty-one".