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68311244 = 2217077811
BaseRepresentation
bin1000001001001…
…01100011001100
311202112120102002
410010211203030
5114441424434
610440051432
71456431101
oct404454314
9152476362
1068311244
1135618281
121aa63b78
13111c9c71
149102aa8
155ee557e
hex41258cc

68311244 has 6 divisors (see below), whose sum is σ = 119544684. Its totient is φ = 34155620.

The previous prime is 68311237. The next prime is 68311267. The reversal of 68311244 is 44211386.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8538902 + ... + 8538909.

It is an arithmetic number, because the mean of its divisors is an integer number (19924114).

Almost surely, 268311244 is an apocalyptic number.

It is an amenable number.

68311244 is a deficient number, since it is larger than the sum of its proper divisors (51233440).

68311244 is a wasteful number, since it uses less digits than its factorization.

68311244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17077815 (or 17077813 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 68311244 is about 8265.0616452631. The cubic root of 68311244 is about 408.7873030014.

The spelling of 68311244 in words is "sixty-eight million, three hundred eleven thousand, two hundred forty-four".

Divisors: 1 2 4 17077811 34155622 68311244