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304135530 = 23546121991
BaseRepresentation
bin10010001000001…
…011110101101010
3210012021200111220
4102020023311222
51110324314110
650102402510
710352052336
oct2210136552
9705250456
10304135530
11146749586
1285a30436
134b01826a
142c56c7c6
151ba79370
hex1220bd6a

304135530 has 32 divisors (see below), whose sum is σ = 731541888. Its totient is φ = 80923200.

The previous prime is 304135511. The next prime is 304135541. The reversal of 304135530 is 35531403.

It is a happy number.

304135530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 304135530.

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, 2835 + ... + 24825.

It is an arithmetic number, because the mean of its divisors is an integer number (22860684).

Almost surely, 2304135530 is an apocalyptic number.

304135530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304135530 is an abundant number, since it is smaller than the sum of its proper divisors (427406358).

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

304135530 is a wasteful number, since it uses less digits than its factorization.

304135530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 304135530 is about 17439.4819303786. The cubic root of 304135530 is about 672.4949894367.

Adding to 304135530 its reverse (35531403), we get a palindrome (339666933).

The spelling of 304135530 in words is "three hundred four million, one hundred thirty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 461 922 1383 2305 2766 4610 6915 13830 21991 43982 65973 109955 131946 219910 329865 659730 10137851 20275702 30413553 50689255 60827106 101378510 152067765 304135530