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200435872 = 2572139833
BaseRepresentation
bin10111111001001…
…10100010100000
3111222011012022211
423330212202200
5402302421442
631520011504
74652451100
oct1374464240
9458135284
10200435872
11a316048a
1257160b94
13326aa810
141c897200
15128e3617
hexbf268a0

200435872 has 72 divisors (see below), whose sum is σ = 494394516. Its totient is φ = 79285248.

The previous prime is 200435867. The next prime is 200435887. The reversal of 200435872 is 278534002.

It can be written as a sum of positive squares in 2 ways, for example, as 193655056 + 6780816 = 13916^2 + 2604^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15468 + ... + 25300.

Almost surely, 2200435872 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 200435872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247197258).

200435872 is an abundant number, since it is smaller than the sum of its proper divisors (293958644).

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

200435872 is a wasteful number, since it uses less digits than its factorization.

200435872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870 (or 9855 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 200435872 is about 14157.5376390105. The cubic root of 200435872 is about 585.2280718812.

Adding to 200435872 its reverse (278534002), we get a palindrome (478969874).

The spelling of 200435872 in words is "two hundred million, four hundred thirty-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 49 52 56 91 98 104 112 182 196 208 224 364 392 416 637 728 784 1274 1456 1568 2548 2912 5096 9833 10192 19666 20384 39332 68831 78664 127829 137662 157328 255658 275324 314656 481817 511316 550648 894803 963634 1022632 1101296 1789606 1927268 2045264 2202592 3579212 3854536 4090528 6263621 7158424 7709072 12527242 14316848 15418144 25054484 28633696 50108968 100217936 200435872