Search a number
-
+
304040230 = 25136073853
BaseRepresentation
bin10010000111110…
…100100100100110
3210012002211210021
4102013310210212
51110313241410
650100345354
710351204444
oct2207644446
9705084707
10304040230
11146693a1a
12859a525a
134acb3a80
142c545b94
151ba5aeda
hex121f4926

304040230 has 32 divisors (see below), whose sum is σ = 590494464. Its totient is φ = 112046976.

The previous prime is 304040167. The next prime is 304040251. The reversal of 304040230 is 32040403.

304040230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3040402302 = 184880922916905800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76984 + ... + 80836.

It is an arithmetic number, because the mean of its divisors is an integer number (18452952).

Almost surely, 2304040230 is an apocalyptic number.

304040230 is a deficient number, since it is larger than the sum of its proper divisors (286454234).

304040230 is a wasteful number, since it uses less digits than its factorization.

304040230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 304040230 is about 17436.7494103689. The cubic root of 304040230 is about 672.4247406372.

Adding to 304040230 its reverse (32040403), we get a palindrome (336080633).

The spelling of 304040230 in words is "three hundred four million, forty thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 607 1214 3035 3853 6070 7706 7891 15782 19265 38530 39455 50089 78910 100178 250445 500890 2338771 4677542 11693855 23387710 30404023 60808046 152020115 304040230