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6861968 = 24428873
BaseRepresentation
bin11010001011010010010000
3110220121211222
4122023102100
53224040333
6403024212
7112216511
oct32132220
913817758
106861968
113967553
12236b068
131563449
14ca8a08
15908298
hex68b490

6861968 has 10 divisors (see below), whose sum is σ = 13295094. Its totient is φ = 3430976.

The previous prime is 6861949. The next prime is 6861971. The reversal of 6861968 is 8691686.

It can be written as a sum of positive squares in only one way, i.e., 6492304 + 369664 = 2548^2 + 608^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214421 + ... + 214452.

Almost surely, 26861968 is an apocalyptic number.

It is an amenable number.

6861968 is a deficient number, since it is larger than the sum of its proper divisors (6433126).

6861968 is a wasteful number, since it uses less digits than its factorization.

6861968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428881 (or 428875 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 6861968 is about 2619.5358367467. The cubic root of 6861968 is about 190.0274014035.

The spelling of 6861968 in words is "six million, eight hundred sixty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 428873 857746 1715492 3430984 6861968