Search a number
-
+
304303444 = 22712294679
BaseRepresentation
bin10010001000110…
…100110101010100
3210012121012211221
4102020310311110
51110400202234
650110140124
710353352024
oct2210646524
9705535757
10304303444
11146853755
1285ab1644
134b076813
142c5b3a84
151baadeb4
hex12234d54

304303444 has 24 divisors (see below), whose sum is σ = 542505600. Its totient is φ = 149321760.

The previous prime is 304303423. The next prime is 304303457. The reversal of 304303444 is 444303403.

It is a happy number.

It is a super-2 number, since 2×3043034442 = 185201172060522272, which contains 22 as substring.

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, 62697 + ... + 67375.

It is an arithmetic number, because the mean of its divisors is an integer number (22604400).

Almost surely, 2304303444 is an apocalyptic number.

It is an amenable number.

304303444 is a deficient number, since it is larger than the sum of its proper divisors (238202156).

304303444 is a wasteful number, since it uses less digits than its factorization.

304303444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 304303444 is about 17444.2954572548. The cubic root of 304303444 is about 672.6187287322.

Adding to 304303444 its reverse (444303403), we get a palindrome (748606847).

The spelling of 304303444 in words is "three hundred four million, three hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 71 142 229 284 458 916 4679 9358 16259 18716 32518 65036 332209 664418 1071491 1328836 2142982 4285964 76075861 152151722 304303444