Search a number
-
+
304604730 = 232514892273
BaseRepresentation
bin10010001001111…
…110011000111010
3210020011112010200
4102021332120322
51110434322410
650120423030
710356045303
oct2211763072
9706145120
10304604730
11146a3a051
1286017a76
134b1509b1
142c6517aa
151bb1d3c0
hex1227e63a

304604730 has 48 divisors (see below), whose sum is σ = 792852840. Its totient is φ = 81137664.

The previous prime is 304604689. The next prime is 304604731. The reversal of 304604730 is 37406403.

It can be written as a sum of positive squares in 4 ways, for example, as 260209161 + 44395569 = 16131^2 + 6663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304604694 and 304604703.

It is not an unprimeable number, because it can be changed into a prime (304604731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132874 + ... + 135146.

Almost surely, 2304604730 is an apocalyptic number.

304604730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304604730 is an abundant number, since it is smaller than the sum of its proper divisors (488248110).

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

304604730 is a wasteful number, since it uses less digits than its factorization.

304604730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775 (or 3772 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 304604730 is about 17452.9289805465. The cubic root of 304604730 is about 672.8406385470.

The spelling of 304604730 in words is "three hundred four million, six hundred four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1489 2273 2978 4467 4546 6819 7445 8934 11365 13401 13638 14890 20457 22335 22730 26802 34095 40914 44670 67005 68190 102285 134010 204570 3384497 6768994 10153491 16922485 20306982 30460473 33844970 50767455 60920946 101534910 152302365 304604730