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304060020 = 223511460697
BaseRepresentation
bin10010000111111…
…001011001110100
3210012010211221020
4102013321121310
51110314410040
650101021140
710351316235
oct2207713164
9705124836
10304060020
111466a7880
12859b47b0
134acbca94
142c54d08c
151ba61cd0
hex121f9674

304060020 has 48 divisors (see below), whose sum is σ = 928767168. Its totient is φ = 73711360.

The previous prime is 304060013. The next prime is 304060027. The reversal of 304060020 is 20060403.

304060020 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (304060013) and next prime (304060027).

It is a super-3 number, since 3×3040600203 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

304060020 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304060027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229689 + ... + 231008.

It is an arithmetic number, because the mean of its divisors is an integer number (19349316).

Almost surely, 2304060020 is an apocalyptic number.

304060020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304060020 is an abundant number, since it is smaller than the sum of its proper divisors (624707148).

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

304060020 is a wasteful number, since it uses less digits than its factorization.

304060020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460720 (or 460718 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 304060020 is about 17437.3168807589. The cubic root of 304060020 is about 672.4393297119.

The spelling of 304060020 in words is "three hundred four million, sixty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 460697 921394 1382091 1842788 2303485 2764182 4606970 5067667 5528364 6910455 9213940 10135334 13820910 15203001 20270668 25338335 27641820 30406002 50676670 60812004 76015005 101353340 152030010 304060020