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2000530400 = 255211463491
BaseRepresentation
bin111011100111101…
…1010101111100000
312011102100110210112
41313033122233200
513044113433100
6530302150452
7100401141101
oct16717325740
95142313715
102000530400
1193727a110
12479b82428
1325b6018cb
1414d9963a8
15ba969b35
hex773dabe0

2000530400 has 144 divisors (see below), whose sum is σ = 5350157568. Its totient is φ = 724416000.

The previous prime is 2000530391. The next prime is 2000530429. The reversal of 2000530400 is 40350002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4074155 + ... + 4074645.

It is an arithmetic number, because the mean of its divisors is an integer number (37153872).

Almost surely, 22000530400 is an apocalyptic number.

2000530400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000530400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2675078784).

2000530400 is an abundant number, since it is smaller than the sum of its proper divisors (3349627168).

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

2000530400 is a wasteful number, since it uses less digits than its factorization.

2000530400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 2000530400 is about 44727.2892091618. The cubic root of 2000530400 is about 1260.0324170714.

Adding to 2000530400 its reverse (40350002), we get a palindrome (2040880402).

It can be divided in two parts, 20005 and 30400, that added together give a palindrome (50405).

The spelling of 2000530400 in words is "two billion, five hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 463 491 550 800 880 926 982 1100 1760 1852 1964 2200 2315 2455 3704 3928 4400 4630 4910 5093 5401 7408 7856 8800 9260 9820 10186 10802 11575 12275 14816 15712 18520 19640 20372 21604 23150 24550 25465 27005 37040 39280 40744 43208 46300 49100 50930 54010 74080 78560 81488 86416 92600 98200 101860 108020 127325 135025 162976 172832 185200 196400 203720 216040 227333 254650 270050 370400 392800 407440 432080 454666 509300 540100 814880 864160 909332 1018600 1080200 1136665 1818664 2037200 2160400 2273330 2500663 3637328 4074400 4320800 4546660 5001326 5683325 7274656 9093320 10002652 11366650 12503315 18186640 20005304 22733300 25006630 36373280 40010608 45466600 50013260 62516575 80021216 90933200 100026520 125033150 181866400 200053040 250066300 400106080 500132600 1000265200 2000530400