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200728713 = 31011993329
BaseRepresentation
bin10111111011011…
…10000010001001
3111222201002000210
423331232002021
5402341304323
631530151333
74655110623
oct1375560211
9458632023
10200728713
11a33404a9
1257282549
1332780bb3
141c931c13
1512950293
hexbf6e089

200728713 has 16 divisors (see below), whose sum is σ = 271728000. Its totient is φ = 131788800.

The previous prime is 200728709. The next prime is 200728729. The reversal of 200728713 is 317827002.

It is not a de Polignac number, because 200728713 - 22 = 200728709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200768713) 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, 58633 + ... + 61961.

It is an arithmetic number, because the mean of its divisors is an integer number (16983000).

Almost surely, 2200728713 is an apocalyptic number.

It is an amenable number.

200728713 is a deficient number, since it is larger than the sum of its proper divisors (70999287).

200728713 is a wasteful number, since it uses less digits than its factorization.

200728713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 200728713 is about 14167.8760934729. The cubic root of 200728713 is about 585.5129433418.

The spelling of 200728713 in words is "two hundred million, seven hundred twenty-eight thousand, seven hundred thirteen".

Divisors: 1 3 101 199 303 597 3329 9987 20099 60297 336229 662471 1008687 1987413 66909571 200728713