Search a number
-
+
232018987 is a prime number
BaseRepresentation
bin11011101010001…
…01010000101011
3121011120210012211
431311011100223
5433344101422
635004545551
75515062124
oct1565052053
9534523184
10232018987
11109a72332
12658522b7
13390b8255
1422b5904b
1515581577
hexdd4542b

232018987 has 2 divisors, whose sum is σ = 232018988. Its totient is φ = 232018986.

The previous prime is 232018981. The next prime is 232018991. The reversal of 232018987 is 789810232.

232018987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232018987 - 23 = 232018979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232018981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116009493 + 116009494.

It is an arithmetic number, because the mean of its divisors is an integer number (116009494).

Almost surely, 2232018987 is an apocalyptic number.

232018987 is a deficient number, since it is larger than the sum of its proper divisors (1).

232018987 is an equidigital number, since it uses as much as digits as its factorization.

232018987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 232018987 is about 15232.1694777862. The cubic root of 232018987 is about 614.4801273464.

The spelling of 232018987 in words is "two hundred thirty-two million, eighteen thousand, nine hundred eighty-seven".