Search a number
-
+
223883987 is a prime number
BaseRepresentation
bin11010101100000…
…11001011010011
3120121021111002112
431112003023103
5424303241422
634114335535
75355660665
oct1526031323
9517244075
10223883987
11105416398
1262b8a5ab
13374ca542
1421a3c535
15149c5ee2
hexd5832d3

223883987 has 2 divisors, whose sum is σ = 223883988. Its totient is φ = 223883986.

The previous prime is 223883981. The next prime is 223884007. The reversal of 223883987 is 789388322.

223883987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223883987 - 28 = 223883731 is a prime.

It is not a weakly prime, because it can be changed into another prime (223883981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111941993 + 111941994.

It is an arithmetic number, because the mean of its divisors is an integer number (111941994).

Almost surely, 2223883987 is an apocalyptic number.

223883987 is a deficient number, since it is larger than the sum of its proper divisors (1).

223883987 is an equidigital number, since it uses as much as digits as its factorization.

223883987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 223883987 is about 14962.7533228347. The cubic root of 223883987 is about 607.2129299014.

The spelling of 223883987 in words is "two hundred twenty-three million, eight hundred eighty-three thousand, nine hundred eighty-seven".