Search a number
-
+
305443268 = 221313144839
BaseRepresentation
bin10010001101001…
…011000111000100
3210021202010101122
4102031023013010
51111143141033
650150413112
710366140104
oct2215130704
9707663348
10305443268
11147462059
1286361198
134b385580
142c7cd204
151bc36a98
hex1234b1c4

305443268 has 24 divisors (see below), whose sum is σ = 580050240. Its totient is φ = 139894560.

The previous prime is 305443261. The next prime is 305443277. The reversal of 305443268 is 862344503.

305443268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (305443261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15608 + ... + 29231.

It is an arithmetic number, because the mean of its divisors is an integer number (24168760).

Almost surely, 2305443268 is an apocalyptic number.

It is an amenable number.

305443268 is a deficient number, since it is larger than the sum of its proper divisors (274606972).

305443268 is a wasteful number, since it uses less digits than its factorization.

305443268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44987 (or 44985 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 305443268 is about 17476.9353148657. The cubic root of 305443268 is about 673.4574876987.

The spelling of 305443268 in words is "three hundred five million, four hundred forty-three thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 52 131 262 524 1703 3406 6812 44839 89678 179356 582907 1165814 2331628 5873909 11747818 23495636 76360817 152721634 305443268