Search a number
-
+
306440200 = 235211139291
BaseRepresentation
bin10010010000111…
…110100000001000
3210100121202221001
4102100332200020
51111422041300
650224024344
710410461443
oct2220764010
9710552831
10306440200
11147a83070
12867620b4
134b644281
142c9ac65a
151bd8216a
hex1243e808

306440200 has 48 divisors (see below), whose sum is σ = 777249360. Its totient is φ = 111432000.

The previous prime is 306440143. The next prime is 306440213. The reversal of 306440200 is 2044603.

306440200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67446 + ... + 71845.

It is an arithmetic number, because the mean of its divisors is an integer number (16192695).

Almost surely, 2306440200 is an apocalyptic number.

It is an amenable number.

306440200 is an abundant number, since it is smaller than the sum of its proper divisors (470809160).

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

306440200 is a wasteful number, since it uses less digits than its factorization.

306440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139318 (or 139309 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 306440200 is about 17505.4334422202. The cubic root of 306440200 is about 674.1893881461.

Adding to 306440200 its reverse (2044603), we get a palindrome (308484803).

It can be divided in two parts, 3064 and 40200, that added together give a square (43264 = 2082).

The spelling of 306440200 in words is "three hundred six million, four hundred forty thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 139291 278582 557164 696455 1114328 1392910 1532201 2785820 3064402 3482275 5571640 6128804 6964550 7661005 12257608 13929100 15322010 27858200 30644020 38305025 61288040 76610050 153220100 306440200