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206814804 = 223723167641
BaseRepresentation
bin11000101001110…
…11111001010100
3112102011021120120
430110323321110
5410421033204
632304431540
75060616420
oct1424737124
9472137516
10206814804
11a6818029
12593185b0
1333b02131
141d677b80
15132536d9
hexc53be54

206814804 has 96 divisors (see below), whose sum is σ = 579833856. Its totient is φ = 56094720.

The previous prime is 206814799. The next prime is 206814823. The reversal of 206814804 is 408418602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322324 + ... + 322964.

It is an arithmetic number, because the mean of its divisors is an integer number (6039936).

Almost surely, 2206814804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206814804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289916928).

206814804 is an abundant number, since it is smaller than the sum of its proper divisors (373019052).

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

206814804 is a wasteful number, since it uses less digits than its factorization.

206814804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 206814804 is about 14381.0571238696. The cubic root of 206814804 is about 591.3717045239.

The spelling of 206814804 in words is "two hundred six million, eight hundred fourteen thousand, eight hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 167 276 322 334 483 501 641 644 668 966 1002 1169 1282 1923 1932 2004 2338 2564 3507 3841 3846 4487 4676 7014 7682 7692 8974 11523 13461 14028 14743 15364 17948 23046 26887 26922 29486 44229 46092 53774 53844 58972 80661 88458 103201 107047 107548 161322 176916 206402 214094 309603 321141 322644 412804 428188 619206 642282 749329 1238412 1284564 1498658 2247987 2462081 2997316 4495974 4924162 7386243 8991948 9848324 14772486 17234567 29544972 34469134 51703701 68938268 103407402 206814804