Search a number
-
+
304328864 = 2571358611
BaseRepresentation
bin10010001000111…
…011000010100000
3210012122111201102
4102020323002200
51110402010424
650110453532
710353516110
oct2210730240
9705574642
10304328864
11146870864
1285b042a8
134b085268
142c5bd040
151bab67ae
hex1223b0a0

304328864 has 24 divisors (see below), whose sum is σ = 684740448. Its totient is φ = 130426560.

The previous prime is 304328797. The next prime is 304328911. The reversal of 304328864 is 468823403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679082 + ... + 679529.

It is an arithmetic number, because the mean of its divisors is an integer number (28530852).

Almost surely, 2304328864 is an apocalyptic number.

It is an amenable number.

304328864 is an abundant number, since it is smaller than the sum of its proper divisors (380411584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304328864 is a wasteful number, since it uses less digits than its factorization.

304328864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358628 (or 1358620 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 304328864 is about 17445.0240469883. The cubic root of 304328864 is about 672.6374572879.

The spelling of 304328864 in words is "three hundred four million, three hundred twenty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 1358611 2717222 5434444 9510277 10868888 19020554 21737776 38041108 43475552 76082216 152164432 304328864