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200664680 = 2359075531
BaseRepresentation
bin10111111010111…
…10011001101000
3111222120211012012
423331132121220
5402332232210
631524535052
74654423136
oct1375363150
9458524165
10200664680
11a32a7387
1257251488
133275a9c8
141c916756
151293b305
hexbf5e668

200664680 has 32 divisors (see below), whose sum is σ = 452075040. Its totient is φ = 80162880.

The previous prime is 200664671. The next prime is 200664691. The reversal of 200664680 is 86466002.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33515 + ... + 39045.

It is an arithmetic number, because the mean of its divisors is an integer number (14127345).

Almost surely, 2200664680 is an apocalyptic number.

200664680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200664680 is an abundant number, since it is smaller than the sum of its proper divisors (251410360).

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

200664680 is a wasteful number, since it uses less digits than its factorization.

200664680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 200664680 is about 14165.6161179103. The cubic root of 200664680 is about 585.4506766517.

The spelling of 200664680 in words is "two hundred million, six hundred sixty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 907 1814 3628 4535 5531 7256 9070 11062 18140 22124 27655 36280 44248 55310 110620 221240 5016617 10033234 20066468 25083085 40132936 50166170 100332340 200664680