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304303230 = 234572111741
BaseRepresentation
bin10010001000110…
…100110001111110
3210012121012120000
4102020310301332
51110400200410
650110135130
710353351300
oct2210646176
9705535500
10304303230
11146853580
1285ab14a6
134b0766aa
142c5b3970
151baaddc0
hex12234c7e

304303230 has 480 divisors, whose sum is σ = 1126252512. Its totient is φ = 58060800.

The previous prime is 304303169. The next prime is 304303267. The reversal of 304303230 is 32303403.

304303230 is a `hidden beast` number, since 3 + 0 + 430 + 3 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7422010 + ... + 7422050.

Almost surely, 2304303230 is an apocalyptic number.

304303230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 304303230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563126256).

304303230 is an abundant number, since it is smaller than the sum of its proper divisors (821949282).

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

304303230 is a wasteful number, since it uses less digits than its factorization.

304303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 304303230 is about 17444.2893234434. The cubic root of 304303230 is about 672.6185710602.

Adding to 304303230 its reverse (32303403), we get a palindrome (336606633).

The spelling of 304303230 in words is "three hundred four million, three hundred three thousand, two hundred thirty".