Search a number
-
+
223795139 is a prime number
BaseRepresentation
bin11010101011011…
…01011111000011
3120121002222012212
431111231133003
5424242421024
634112412335
75355140651
oct1525553703
9517088185
10223795139
11105365667
1262b470ab
1337498c79
1421a17dd1
15149a9a0e
hexd56d7c3

223795139 has 2 divisors, whose sum is σ = 223795140. Its totient is φ = 223795138.

The previous prime is 223795133. The next prime is 223795163. The reversal of 223795139 is 931597322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223795139 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 223795096 and 223795105.

It is not a weakly prime, because it can be changed into another prime (223795133) 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, 111897569 + 111897570.

It is an arithmetic number, because the mean of its divisors is an integer number (111897570).

Almost surely, 2223795139 is an apocalyptic number.

223795139 is a deficient number, since it is larger than the sum of its proper divisors (1).

223795139 is an equidigital number, since it uses as much as digits as its factorization.

223795139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 223795139 is about 14959.7840559281. The cubic root of 223795139 is about 607.1325954489.

The spelling of 223795139 in words is "two hundred twenty-three million, seven hundred ninety-five thousand, one hundred thirty-nine".