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200489810 = 2520048981
BaseRepresentation
bin10111111001100…
…11101101010010
3111222020221022112
423330303231102
5402311133220
631521105322
74653064253
oct1374635522
9458227275
10200489810
11a3197a64
1257188242
13326c9231
141c8acb2a
15129045c5
hexbf33b52

200489810 has 8 divisors (see below), whose sum is σ = 360881676. Its totient is φ = 80195920.

The previous prime is 200489801. The next prime is 200489813. The reversal of 200489810 is 18984002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 196084009 + 4405801 = 14003^2 + 2099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2004898102 = 80392327827672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200489813) 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 3 ways as a sum of consecutive naturals, for example, 10024481 + ... + 10024500.

Almost surely, 2200489810 is an apocalyptic number.

200489810 is a deficient number, since it is larger than the sum of its proper divisors (160391866).

200489810 is a wasteful number, since it uses less digits than its factorization.

200489810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20048988.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 200489810 is about 14159.4424325254. The cubic root of 200489810 is about 585.2805628190.

The spelling of 200489810 in words is "two hundred million, four hundred eighty-nine thousand, eight hundred ten".

Divisors: 1 2 5 10 20048981 40097962 100244905 200489810