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4930181 is a prime number
BaseRepresentation
bin10010110011101010000101
3100021110221022
4102303222011
52230231211
6253400525
756622464
oct22635205
910243838
104930181
112868133
121799145
131038089
149249db
15675bdb
hex4b3a85

4930181 has 2 divisors, whose sum is σ = 4930182. Its totient is φ = 4930180.

The previous prime is 4930171. The next prime is 4930193. The reversal of 4930181 is 1810394.

4930181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3150625 + 1779556 = 1775^2 + 1334^2 .

It is a cyclic number.

It is not a de Polignac number, because 4930181 - 210 = 4929157 is a prime.

It is a super-2 number, since 2×49301812 = 48613369385522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4930181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4930151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2465090 + 2465091.

It is an arithmetic number, because the mean of its divisors is an integer number (2465091).

Almost surely, 24930181 is an apocalyptic number.

It is an amenable number.

4930181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4930181 is an equidigital number, since it uses as much as digits as its factorization.

4930181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4930181 is about 2220.4010898934. The cubic root of 4930181 is about 170.1979355389.

The spelling of 4930181 in words is "four million, nine hundred thirty thousand, one hundred eighty-one".