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304244690 = 25236192137
BaseRepresentation
bin10010001000100…
…110011111010010
3210012111020020212
4102020212133102
51110341312230
650105004122
710353015521
oct2210463722
9705436225
10304244690
111468135a2
1285a83642
134b055b59
142c59a4b8
151ba9b895
hex122267d2

304244690 has 32 divisors (see below), whose sum is σ = 572641920. Its totient is φ = 116164224.

The previous prime is 304244669. The next prime is 304244719. The reversal of 304244690 is 96442403.

304244690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3042446902 = 185129662786392200, which contains 22 as substring.

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, 141302 + ... + 143438.

It is an arithmetic number, because the mean of its divisors is an integer number (17895060).

Almost surely, 2304244690 is an apocalyptic number.

304244690 is a deficient number, since it is larger than the sum of its proper divisors (268397230).

304244690 is a wasteful number, since it uses less digits than its factorization.

304244690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 304244690 is about 17442.6113297293. The cubic root of 304244690 is about 672.5754368742.

The spelling of 304244690 in words is "three hundred four million, two hundred forty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 619 1238 2137 3095 4274 6190 10685 14237 21370 28474 49151 71185 98302 142370 245755 491510 1322803 2645606 6614015 13228030 30424469 60848938 152122345 304244690