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968986868 = 22753732141
BaseRepresentation
bin111001110000011…
…001000011110100
32111112022122002112
4321300121003310
53441030034433
6240052430152
733004152413
oct7160310364
92445278075
10968986868
11457a711a3
12230618358
1312599c015
149299747a
155a107348
hex39c190f4

968986868 has 12 divisors (see below), whose sum is σ = 1696004772. Its totient is φ = 484414080.

The previous prime is 968986867. The next prime is 968986873. The reversal of 968986868 is 868689869.

It can be written as a sum of positive squares in 2 ways, for example, as 759663844 + 209323024 = 27562^2 + 14468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 968986798 and 968986807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968986861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14078 + ... + 46218.

It is an arithmetic number, because the mean of its divisors is an integer number (141333731).

Almost surely, 2968986868 is an apocalyptic number.

It is an amenable number.

968986868 is a deficient number, since it is larger than the sum of its proper divisors (727017904).

968986868 is a wasteful number, since it uses less digits than its factorization.

968986868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39682 (or 39680 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 68.

The square root of 968986868 is about 31128.5539015226. The cubic root of 968986868 is about 989.5535408262.

The spelling of 968986868 in words is "nine hundred sixty-eight million, nine hundred eighty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7537 15074 30148 32141 64282 128564 242246717 484493434 968986868