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268843284 = 223231240899
BaseRepresentation
bin10000000001100…
…011100100010100
3200201212122122200
4100001203210110
51022310441114
642402124500
76443062443
oct2001434424
9621778580
10268843284
11128833a36
1276050730
134390c488
14279c2d5a
1518907409
hex10063914

268843284 has 36 divisors (see below), whose sum is σ = 701500800. Its totient is φ = 86723280.

The previous prime is 268843283. The next prime is 268843303. The reversal of 268843284 is 482348862.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2688432842 = 144553422703809312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268843283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119334 + ... + 121565.

Almost surely, 2268843284 is an apocalyptic number.

It is an amenable number.

268843284 is an abundant number, since it is smaller than the sum of its proper divisors (432657516).

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

268843284 is a wasteful number, since it uses less digits than its factorization.

268843284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240940 (or 240935 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 268843284 is about 16396.4411992359. The cubic root of 268843284 is about 645.4060972478.

The spelling of 268843284 in words is "two hundred sixty-eight million, eight hundred forty-three thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 240899 481798 722697 963596 1445394 2168091 2890788 4336182 7467869 8672364 14935738 22403607 29871476 44807214 67210821 89614428 134421642 268843284