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268204206 = 231741591087
BaseRepresentation
bin11111111110001…
…11100010101110
3200200200012000010
433333013202232
51022130013311
642340314050
76434461314
oct1777074256
9620605003
10268204206
11128437876
12759a2926
134374761a
14278980b4
151882cda6
hexffc78ae

268204206 has 64 divisors (see below), whose sum is σ = 592220160. Its totient is φ = 80624640.

The previous prime is 268204177. The next prime is 268204207. The reversal of 268204206 is 602402862.

268204206 = T85 + T86 + ... + T1171.

It is a super-2 number, since 2×2682042062 = 143866992232180872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268204207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246195 + ... + 247281.

It is an arithmetic number, because the mean of its divisors is an integer number (9253440).

Almost surely, 2268204206 is an apocalyptic number.

268204206 is an abundant number, since it is smaller than the sum of its proper divisors (324015954).

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

268204206 is a wasteful number, since it uses less digits than its factorization.

268204206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 268204206 is about 16376.9412895082. The cubic root of 268204206 is about 644.8942846994.

The spelling of 268204206 in words is "two hundred sixty-eight million, two hundred four thousand, two hundred six".

Divisors: 1 2 3 6 17 34 41 51 59 82 102 118 123 177 246 354 697 1003 1087 1394 2006 2091 2174 2419 3009 3261 4182 4838 6018 6522 7257 14514 18479 36958 41123 44567 55437 64133 82246 89134 110874 123369 128266 133701 192399 246738 267402 384798 757639 1090261 1515278 2180522 2272917 2629453 3270783 4545834 5258906 6541566 7888359 15776718 44700701 89401402 134102103 268204206