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304300620 = 2232513130043
BaseRepresentation
bin10010001000110…
…100001001001100
3210012121001222100
4102020310021030
51110400104440
650110115100
710353340551
oct2210641114
9705531870
10304300620
11146851618
1285aaba90
134b075450
142c5b2a28
151baad230
hex1223424c

304300620 has 72 divisors (see below), whose sum is σ = 994056336. Its totient is φ = 74904192.

The previous prime is 304300589. The next prime is 304300643. The reversal of 304300620 is 26003403.

304300620 is a `hidden beast` number, since 3 + 0 + 43 + 0 + 0 + 620 = 666.

304300620 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 304300593 and 304300602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62682 + ... + 67361.

It is an arithmetic number, because the mean of its divisors is an integer number (13806338).

Almost surely, 2304300620 is an apocalyptic number.

304300620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304300620 is an abundant number, since it is smaller than the sum of its proper divisors (689755716).

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

304300620 is a wasteful number, since it uses less digits than its factorization.

304300620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130071 (or 130066 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 304300620 is about 17444.2145137005. The cubic root of 304300620 is about 672.6166480447.

The spelling of 304300620 in words is "three hundred four million, three hundred thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 130043 260086 390129 520172 650215 780258 1170387 1300430 1560516 1690559 1950645 2340774 2600860 3381118 3901290 4681548 5071677 5851935 6762236 7802580 8452795 10143354 11703870 15215031 16905590 20286708 23407740 25358385 30430062 33811180 50716770 60860124 76075155 101433540 152150310 304300620