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868463908 = 221316701229
BaseRepresentation
bin110011110000111…
…011010100100100
32020112011112111221
4303300323110210
53234311321113
6222102110124
730343551514
oct6360732444
92215145457
10868463908
11406252874
12202a1b344
1310ac04490
14834ab844
155139c98d
hex33c3b524

868463908 has 12 divisors (see below), whose sum is σ = 1636720540. Its totient is φ = 400829472.

The previous prime is 868463879. The next prime is 868463971. The reversal of 868463908 is 809364868.

868463908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179506404 + 688957504 = 13398^2 + 26248^2 .

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 16701229 = 868463908 / (8 + 6 + 8 + 4 + 6 + 3 + 9 + 0 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8350563 + ... + 8350666.

Almost surely, 2868463908 is an apocalyptic number.

It is an amenable number.

868463908 is a deficient number, since it is larger than the sum of its proper divisors (768256632).

868463908 is a wasteful number, since it uses less digits than its factorization.

868463908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701246 (or 16701244 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 868463908 is about 29469.7117054104. The cubic root of 868463908 is about 954.0780950065.

The spelling of 868463908 in words is "eight hundred sixty-eight million, four hundred sixty-three thousand, nine hundred eight".

Divisors: 1 2 4 13 26 52 16701229 33402458 66804916 217115977 434231954 868463908