Search a number
-
+
304212205 = 5115531131
BaseRepresentation
bin10010001000011…
…110100011101101
3210012102120200201
4102020132203231
51110334242310
650104153501
710352522023
oct2210364355
9705376621
10304212205
111467a1150
1285a68891
134b04412b
142c58c713
151ba91e3a
hex1221e8ed

304212205 has 8 divisors (see below), whose sum is σ = 398241504. Its totient is φ = 221245200.

The previous prime is 304212179. The next prime is 304212217. The reversal of 304212205 is 502212403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 304212205 - 29 = 304211693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765511 + ... + 2765620.

It is an arithmetic number, because the mean of its divisors is an integer number (49780188).

Almost surely, 2304212205 is an apocalyptic number.

It is an amenable number.

304212205 is a deficient number, since it is larger than the sum of its proper divisors (94029299).

304212205 is a wasteful number, since it uses less digits than its factorization.

304212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531147.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 304212205 is about 17441.6801082923. The cubic root of 304212205 is about 672.5514984770.

Adding to 304212205 its reverse (502212403), we get a palindrome (806424608).

The spelling of 304212205 in words is "three hundred four million, two hundred twelve thousand, two hundred five".

Divisors: 1 5 11 55 5531131 27655655 60842441 304212205