Search a number
-
+
230780908 = 221932331283
BaseRepresentation
bin11011100000101…
…10111111101100
3121002020212220001
431300112333230
5433034442113
634522234044
75501414431
oct1560267754
9532225801
10230780908
111092a7126
1265355924
1338a73867
1422915b88
15153d97dd
hexdc16fec

230780908 has 24 divisors (see below), whose sum is σ = 408019248. Its totient is φ = 114210816.

The previous prime is 230780903. The next prime is 230780909. The reversal of 230780908 is 809087032.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (230780903) 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 in 7 ways as a sum of consecutive naturals, for example, 179235 + ... + 180517.

It is an arithmetic number, because the mean of its divisors is an integer number (17000802).

Almost surely, 2230780908 is an apocalyptic number.

It is an amenable number.

230780908 is a deficient number, since it is larger than the sum of its proper divisors (177238340).

230780908 is a wasteful number, since it uses less digits than its factorization.

230780908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 230780908 is about 15191.4748461102. The cubic root of 230780908 is about 613.3851994838.

The spelling of 230780908 in words is "two hundred thirty million, seven hundred eighty thousand, nine hundred eight".

Divisors: 1 2 4 193 233 386 466 772 932 1283 2566 5132 44969 89938 179876 247619 298939 495238 597878 990476 1195756 57695227 115390454 230780908