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304519230 = 23351127849
BaseRepresentation
bin10010001001101…
…001100000111110
3210020000011212000
4102021221200332
51110424103410
650114523130
710355241111
oct2211514076
9706004760
10304519230
11146990894
1285b964a6
134b120ac2
142c62c578
151bb02dc0
hex1226983e

304519230 has 32 divisors (see below), whose sum is σ = 812052000. Its totient is φ = 81205056.

The previous prime is 304519223. The next prime is 304519273. The reversal of 304519230 is 32915403.

It is a super-2 number, since 2×3045192302 = 185463922879585800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 304519194 and 304519203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563655 + ... + 564194.

It is an arithmetic number, because the mean of its divisors is an integer number (25376625).

Almost surely, 2304519230 is an apocalyptic number.

304519230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304519230 is an abundant number, since it is smaller than the sum of its proper divisors (507532770).

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

304519230 is a wasteful number, since it uses less digits than its factorization.

304519230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127865 (or 1127859 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 304519230 is about 17450.4793630433. The cubic root of 304519230 is about 672.7776790760. Note that the first 3 decimals are identical.

The spelling of 304519230 in words is "three hundred four million, five hundred nineteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1127849 2255698 3383547 5639245 6767094 10150641 11278490 16917735 20301282 30451923 33835470 50753205 60903846 101506410 152259615 304519230