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200891052 = 22325580307
BaseRepresentation
bin10111111100101…
…01101010101100
3112000000022201100
423332111222230
5402412003202
631533443100
74656355125
oct1376255254
9460008640
10200891052
11a344146a
1257340490
1332809a5b
141c97504c
151298341c
hexbf95aac

200891052 has 18 divisors (see below), whose sum is σ = 507808028. Its totient is φ = 66963672.

The previous prime is 200891051. The next prime is 200891059. The reversal of 200891052 is 250198002.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (200891051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2790118 + ... + 2790189.

Almost surely, 2200891052 is an apocalyptic number.

It is an amenable number.

200891052 is an abundant number, since it is smaller than the sum of its proper divisors (306916976).

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

200891052 is a wasteful number, since it uses less digits than its factorization.

200891052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580317 (or 5580312 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 200891052 is about 14173.6040582486. The cubic root of 200891052 is about 585.6707450028.

The spelling of 200891052 in words is "two hundred million, eight hundred ninety-one thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 5580307 11160614 16740921 22321228 33481842 50222763 66963684 100445526 200891052