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286020304 = 2417876269
BaseRepresentation
bin10001000011000…
…101001011010000
3201221012100002121
4101003011023100
51041210122204
644214224024
710042063303
oct2103051320
9657170077
10286020304
111374a6319
127b955014
13473449ab
1429db4b3a
151a19bb54
hex110c52d0

286020304 has 10 divisors (see below), whose sum is σ = 554164370. Its totient is φ = 143010144.

The previous prime is 286020299. The next prime is 286020307. The reversal of 286020304 is 403020682.

It is a happy number.

286020304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178275904 + 107744400 = 13352^2 + 10380^2 .

It is a super-2 number, since 2×2860203042 = 163615228600504832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286020307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8938119 + ... + 8938150.

It is an arithmetic number, because the mean of its divisors is an integer number (55416437).

Almost surely, 2286020304 is an apocalyptic number.

It is an amenable number.

286020304 is a deficient number, since it is larger than the sum of its proper divisors (268144066).

286020304 is a wasteful number, since it uses less digits than its factorization.

286020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17876277 (or 17876271 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 286020304 is about 16912.1348149783. The cubic root of 286020304 is about 658.8688184078.

Adding to 286020304 its reverse (403020682), we get a palindrome (689040986).

The spelling of 286020304 in words is "two hundred eighty-six million, twenty thousand, three hundred four".

Divisors: 1 2 4 8 16 17876269 35752538 71505076 143010152 286020304