Search a number
-
+
238221083 is a prime number
BaseRepresentation
bin11100011001011…
…11011100011011
3121121020212220002
432030233130123
5441441033313
635345523215
75621563052
oct1614573433
9547225802
10238221083
11112519031
126794350b
133a47a229
14238d1399
1515da9058
hexe32f71b

238221083 has 2 divisors, whose sum is σ = 238221084. Its totient is φ = 238221082.

The previous prime is 238221047. The next prime is 238221089. The reversal of 238221083 is 380122832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238221083 - 214 = 238204699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (238221089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119110541 + 119110542.

It is an arithmetic number, because the mean of its divisors is an integer number (119110542).

Almost surely, 2238221083 is an apocalyptic number.

238221083 is a deficient number, since it is larger than the sum of its proper divisors (1).

238221083 is an equidigital number, since it uses as much as digits as its factorization.

238221083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 238221083 is about 15434.4122984971. The cubic root of 238221083 is about 619.9072728130.

The spelling of 238221083 in words is "two hundred thirty-eight million, two hundred twenty-one thousand, eighty-three".