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67368865 = 561921767
BaseRepresentation
bin1000000001111…
…11011110100001
311200202200201011
410000333132201
5114221300430
610403540521
71445424454
oct400773641
9150680634
1067368865
1135034253
121a68a741
1310c5a045
148d3949b
155dab22a
hex403f7a1

67368865 has 8 divisors (see below), whose sum is σ = 80976960. Its totient is φ = 53805552.

The previous prime is 67368839. The next prime is 67368869. The reversal of 67368865 is 56886376.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67368865 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67368869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7789 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (10122120).

Almost surely, 267368865 is an apocalyptic number.

It is an amenable number.

67368865 is a deficient number, since it is larger than the sum of its proper divisors (13608095).

67368865 is a wasteful number, since it uses less digits than its factorization.

67368865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391.

The product of its digits is 1451520, while the sum is 49.

The square root of 67368865 is about 8207.8538607848. The cubic root of 67368865 is about 406.8988010724.

The spelling of 67368865 in words is "sixty-seven million, three hundred sixty-eight thousand, eight hundred sixty-five".

Divisors: 1 5 619 3095 21767 108835 13473773 67368865