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304133880 = 23352534449
BaseRepresentation
bin10010001000001…
…011011011111000
3210012021121020210
4102020023123320
51110324241010
650102351120
710352044461
oct2210133370
9705247223
10304133880
11146748316
1285a2b4a0
134b01759b
142c56bd68
151ba78b20
hex1220b6f8

304133880 has 32 divisors (see below), whose sum is σ = 912402000. Its totient is φ = 81102336.

The previous prime is 304133873. The next prime is 304133891. The reversal of 304133880 is 88331403.

304133880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 1267105 + ... + 1267344.

Almost surely, 2304133880 is an apocalyptic number.

304133880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304133880 is an abundant number, since it is smaller than the sum of its proper divisors (608268120).

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

304133880 is a wasteful number, since it uses less digits than its factorization.

304133880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534463 (or 2534459 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 304133880 is about 17439.4346238632. The cubic root of 304133880 is about 672.4937732917.

The spelling of 304133880 in words is "three hundred four million, one hundred thirty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2534449 5068898 7603347 10137796 12672245 15206694 20275592 25344490 30413388 38016735 50688980 60826776 76033470 101377960 152066940 304133880