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868678445 = 5880719727
BaseRepresentation
bin110011110001101…
…111101100101101
32020112120102210202
4303301233230231
53234340202240
6222110443245
730345434135
oct6361575455
92215512722
10868678445
11406389a78
12202b03525
1310ac7b01b
1483525ac5
15513e1315
hex33c6fb2d

868678445 has 8 divisors (see below), whose sum is σ = 1042585344. Its totient is φ = 694828624.

The previous prime is 868678429. The next prime is 868678451. The reversal of 868678445 is 544876868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868678445 - 24 = 868678429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34172 + ... + 53898.

It is an arithmetic number, because the mean of its divisors is an integer number (130323168).

Almost surely, 2868678445 is an apocalyptic number.

It is an amenable number.

868678445 is a deficient number, since it is larger than the sum of its proper divisors (173906899).

868678445 is a wasteful number, since it uses less digits than its factorization.

868678445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28539.

The product of its digits is 10321920, while the sum is 56.

The square root of 868678445 is about 29473.3514382060. The cubic root of 868678445 is about 954.1566506410.

The spelling of 868678445 in words is "eight hundred sixty-eight million, six hundred seventy-eight thousand, four hundred forty-five".

Divisors: 1 5 8807 19727 44035 98635 173735689 868678445