Search a number
-
+
940249 is a prime number
BaseRepresentation
bin11100101100011011001
31202202210001
43211203121
5220041444
632053001
710664152
oct3454331
91682701
10940249
11592472
12394161
1326bc7b
141a6929
151388d4
hexe58d9

940249 has 2 divisors, whose sum is σ = 940250. Its totient is φ = 940248.

The previous prime is 940241. The next prime is 940259. The reversal of 940249 is 942049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 28224 = 955^2 + 168^2 .

It is an emirp because it is prime and its reverse (942049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940249 - 23 = 940241 is a prime.

940249 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (940241) 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, 470124 + 470125.

It is an arithmetic number, because the mean of its divisors is an integer number (470125).

2940249 is an apocalyptic number.

It is an amenable number.

940249 is a deficient number, since it is larger than the sum of its proper divisors (1).

940249 is an equidigital number, since it uses as much as digits as its factorization.

940249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 940249 is about 969.6643749257. The cubic root of 940249 is about 97.9672596449.

Adding to 940249 its product of nonzero digits (2592), we get a square (942841 = 9712).

The spelling of 940249 in words is "nine hundred forty thousand, two hundred forty-nine".