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2021304000 = 2635384221
BaseRepresentation
bin111100001111010…
…1010011011000000
312012212102212211010
41320132222123000
513114423212000
6532323320520
7101042541402
oct17036523300
95185385733
102021304000
11947a78681
12484b20140
132629c6191
14152642b72
15bc6bed50
hex787aa6c0

2021304000 has 112 divisors (see below), whose sum is σ = 6674425056. Its totient is φ = 539008000.

The previous prime is 2021303993. The next prime is 2021304001. The reversal of 2021304000 is 4031202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2021304001) 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, 18111 + ... + 66110.

Almost surely, 22021304000 is an apocalyptic number.

2021304000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021304000 is an abundant number, since it is smaller than the sum of its proper divisors (4653121056).

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

2021304000 is an equidigital number, since it uses as much as digits as its factorization.

2021304000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84251 (or 84231 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2021304000 is about 44958.9145776452. The cubic root of 2021304000 is about 1264.3788187865.

Adding to 2021304000 its reverse (4031202), we get a palindrome (2025335202).

The spelling of 2021304000 in words is "two billion, twenty-one million, three hundred four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 750 800 960 1000 1200 1500 1600 2000 2400 3000 4000 4800 6000 8000 12000 24000 84221 168442 252663 336884 421105 505326 673768 842210 1010652 1263315 1347536 1684420 2021304 2105525 2526630 2695072 3368840 4042608 4211050 5053260 5390144 6316575 6737680 8085216 8422100 10106520 10527625 12633150 13475360 16170432 16844200 20213040 21055250 25266300 26950720 31582875 33688400 40426080 42110500 50532600 63165750 67376800 80852160 84221000 101065200 126331500 134753600 168442000 202130400 252663000 336884000 404260800 505326000 673768000 1010652000 2021304000