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200805085 = 51341151499
BaseRepresentation
bin10111111100000…
…00101011011101
3111222211221210101
423332000223131
5402401230320
631531541101
74655546365
oct1376005335
9458757711
10200805085
11a3392918
12572ba791
13327a98a0
141c9519a5
1512967c0a
hexbf80add

200805085 has 32 divisors (see below), whose sum is σ = 268128000. Its totient is φ = 143424000.

The previous prime is 200805061. The next prime is 200805089. The reversal of 200805085 is 580508002.

It is not a de Polignac number, because 200805085 - 29 = 200804573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200805089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402166 + ... + 402664.

It is an arithmetic number, because the mean of its divisors is an integer number (8379000).

Almost surely, 2200805085 is an apocalyptic number.

It is an amenable number.

200805085 is a deficient number, since it is larger than the sum of its proper divisors (67322915).

200805085 is a wasteful number, since it uses less digits than its factorization.

200805085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 200805085 is about 14170.5710894092. The cubic root of 200805085 is about 585.5871913552.

The spelling of 200805085 in words is "two hundred million, eight hundred five thousand, eighty-five".

Divisors: 1 5 13 41 65 151 205 499 533 755 1963 2495 2665 6191 6487 9815 20459 30955 32435 75349 80483 102295 265967 376745 402415 979537 1329835 3089309 4897685 15446545 40161017 200805085