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868744206 = 2321131713841
BaseRepresentation
bin110011110001111…
…111110000001110
32020112200210000100
4303301333300032
53234344303311
6222112111530
730346126641
oct6361776016
92215623010
10868744206
11406424420
12202b355a6
1310aca1c35
1483541a58
1551405a56
hex33c7fc0e

868744206 has 48 divisors (see below), whose sum is σ = 2060021808. Its totient is φ = 262406400.

The previous prime is 868744199. The next prime is 868744211. The reversal of 868744206 is 602447868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55846 + ... + 69686.

It is an arithmetic number, because the mean of its divisors is an integer number (42917121).

Almost surely, 2868744206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868744206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030010904).

868744206 is an abundant number, since it is smaller than the sum of its proper divisors (1191277602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868744206 is a wasteful number, since it uses less digits than its factorization.

868744206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14177 (or 14174 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 868744206 is about 29474.4670180819. The cubic root of 868744206 is about 954.1807273338.

The spelling of 868744206 in words is "eight hundred sixty-eight million, seven hundred forty-four thousand, two hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 317 634 951 1902 2853 3487 5706 6974 10461 13841 20922 27682 31383 41523 62766 83046 124569 152251 249138 304502 456753 913506 1370259 2740518 4387597 8775194 13162791 26325582 39488373 48263567 78976746 96527134 144790701 289581402 434372103 868744206