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304230000 = 2435410141
BaseRepresentation
bin10010001000100…
…010111001110000
3210012110111002210
4102020202321300
51110340330000
650104412120
710352624634
oct2210427160
9705414083
10304230000
11146803558
1285a77040
134b04c269
142c594dc4
151ba97350
hex12222e70

304230000 has 100 divisors (see below), whose sum is σ = 982191848. Its totient is φ = 81120000.

The previous prime is 304229941. The next prime is 304230007. The reversal of 304230000 is 32403.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304230007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24930 + ... + 35070.

Almost surely, 2304230000 is an apocalyptic number.

304230000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491095924).

304230000 is an abundant number, since it is smaller than the sum of its proper divisors (677961848).

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

304230000 is a wasteful number, since it uses less digits than its factorization.

304230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172 (or 10151 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 304230000 is about 17442.1902294408. The cubic root of 304230000 is about 672.5646119335.

Adding to 304230000 its reverse (32403), we get a palindrome (304262403).

The spelling of 304230000 in words is "three hundred four million, two hundred thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 10141 15000 20282 30000 30423 40564 50705 60846 81128 101410 121692 152115 162256 202820 243384 253525 304230 405640 486768 507050 608460 760575 811280 1014100 1216920 1267625 1521150 2028200 2433840 2535250 3042300 3802875 4056400 5070500 6084600 6338125 7605750 10141000 12169200 12676250 15211500 19014375 20282000 25352500 30423000 38028750 50705000 60846000 76057500 101410000 152115000 304230000