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3030021200 = 245219421947
BaseRepresentation
bin1011010010011010…
…0111010001010000
321211011112000200102
42310212213101100
522201141134300
61220355511532
7135041520023
oct26446472120
97734460612
103030021200
111315405858
127068b85a8
1339399606b
1420a5bd1ba
1512b0240d5
hexb49a7450

3030021200 has 120 divisors (see below), whose sum is σ = 7689076320. Its totient is φ = 1144281600.

The previous prime is 3030021179. The next prime is 3030021229. The reversal of 3030021200 is 21200303.

It is a congruent number.

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, 3199127 + ... + 3200073.

It is an arithmetic number, because the mean of its divisors is an integer number (64075636).

Almost surely, 23030021200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3030021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3844538160).

3030021200 is an abundant number, since it is smaller than the sum of its proper divisors (4659055120).

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

3030021200 is a wasteful number, since it uses less digits than its factorization.

3030021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3030021200 is about 55045.6283459459. The cubic root of 3030021200 is about 1447.0445071480.

Adding to 3030021200 its reverse (21200303), we get a palindrome (3051221503).

The spelling of 3030021200 in words is "three billion, thirty million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 304 380 400 421 475 760 842 947 950 1520 1684 1894 1900 2105 3368 3788 3800 4210 4735 6736 7576 7600 7999 8420 9470 10525 15152 15998 16840 17993 18940 21050 23675 31996 33680 35986 37880 39995 42100 47350 63992 71972 75760 79990 84200 89965 94700 127984 143944 159980 168400 179930 189400 199975 287888 319960 359860 378800 398687 399950 449825 639920 719720 797374 799900 899650 1439440 1594748 1599800 1799300 1993435 3189496 3199600 3598600 3986870 6378992 7197200 7575053 7973740 9967175 15150106 15947480 19934350 30300212 31894960 37875265 39868700 60600424 75750530 79737400 121200848 151501060 159474800 189376325 303002120 378752650 606004240 757505300 1515010600 3030021200