Search a number
-
+
304174228 = 22263289139
BaseRepresentation
bin10010001000010…
…101010010010100
3210012100122121011
4102020111102110
51110332033403
650103302004
710352303221
oct2210252224
9705318534
10304174228
11146775666
1285a4a904
134b02ca67
142c57c948
151ba85a6d
hex12215494

304174228 has 12 divisors (see below), whose sum is σ = 534330720. Its totient is φ = 151508312.

The previous prime is 304174223. The next prime is 304174229. The reversal of 304174228 is 822471403.

It is a self number, because there is not a number n which added to its sum of digits gives 304174228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304174223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143518 + ... + 145621.

It is an arithmetic number, because the mean of its divisors is an integer number (44527560).

Almost surely, 2304174228 is an apocalyptic number.

It is an amenable number.

304174228 is a deficient number, since it is larger than the sum of its proper divisors (230156492).

304174228 is a wasteful number, since it uses less digits than its factorization.

304174228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289406 (or 289404 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 304174228 is about 17440.5913890556. The cubic root of 304174228 is about 672.5235108303.

The spelling of 304174228 in words is "three hundred four million, one hundred seventy-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 263 526 1052 289139 578278 1156556 76043557 152087114 304174228