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200143200 = 2535289937
BaseRepresentation
bin10111110110111…
…11000101100000
3111221121022212010
423323133011200
5402214040300
631505432520
74650121605
oct1373370540
9457538763
10200143200
11a2a80604
125703b740
133260753a
141c81c6ac
1512886a50
hexbedf160

200143200 has 144 divisors (see below), whose sum is σ = 659489040. Its totient is φ = 52715520.

The previous prime is 200143189. The next prime is 200143201. The reversal of 200143200 is 2341002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200143201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213132 + ... + 214068.

It is an arithmetic number, because the mean of its divisors is an integer number (4579785).

Almost surely, 2200143200 is an apocalyptic number.

200143200 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 200143200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329744520).

200143200 is an abundant number, since it is smaller than the sum of its proper divisors (459345840).

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

200143200 is a wasteful number, since it uses less digits than its factorization.

200143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1036 counting only the distinct ones).

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

The square root of 200143200 is about 14147.1976023522. The cubic root of 200143200 is about 584.9430874577.

Adding to 200143200 its reverse (2341002), we get a palindrome (202484202).

The spelling of 200143200 in words is "two hundred million, one hundred forty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 89 96 100 120 150 160 178 200 240 267 300 356 400 445 480 534 600 712 800 890 937 1068 1200 1335 1424 1780 1874 2136 2225 2400 2670 2811 2848 3560 3748 4272 4450 4685 5340 5622 6675 7120 7496 8544 8900 9370 10680 11244 13350 14055 14240 14992 17800 18740 21360 22488 23425 26700 28110 29984 35600 37480 42720 44976 46850 53400 56220 70275 71200 74960 83393 89952 93700 106800 112440 140550 149920 166786 187400 213600 224880 250179 281100 333572 374800 416965 449760 500358 562200 667144 749600 833930 1000716 1124400 1250895 1334288 1667860 2001432 2084825 2248800 2501790 2668576 3335720 4002864 4169650 5003580 6254475 6671440 8005728 8339300 10007160 12508950 13342880 16678600 20014320 25017900 33357200 40028640 50035800 66714400 100071600 200143200