Search a number
-
+
206304328 = 2325788041
BaseRepresentation
bin11000100101111…
…11010001001000
3112101012100100001
430102333101020
5410303214303
632245452344
75053362226
oct1422772110
9471170301
10206304328
11a64a954a
12591110b4
1333983989
141d583b16
15131a231d
hexc4bf448

206304328 has 8 divisors (see below), whose sum is σ = 386820630. Its totient is φ = 103152160.

The previous prime is 206304311. The next prime is 206304331. The reversal of 206304328 is 823403602.

It can be written as a sum of positive squares in only one way, i.e., 133679844 + 72624484 = 11562^2 + 8522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2063043282 = 85122951503063168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206304296 and 206304305.

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 as a sum of consecutive naturals, namely, 12894013 + ... + 12894028.

Almost surely, 2206304328 is an apocalyptic number.

It is an amenable number.

206304328 is a deficient number, since it is larger than the sum of its proper divisors (180516302).

206304328 is a wasteful number, since it uses less digits than its factorization.

206304328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25788047 (or 25788043 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 206304328 is about 14363.2979499835. The cubic root of 206304328 is about 590.8847474770.

The spelling of 206304328 in words is "two hundred six million, three hundred four thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 25788041 51576082 103152164 206304328