Base | Representation |
---|---|
bin | 1000000111000… |
… | …01000010110110 |
3 | 11202000022111120 |
4 | 10003201002312 |
5 | 114403440041 |
6 | 10430044410 |
7 | 1454152035 |
oct | 403410266 |
9 | 152008446 |
10 | 68030646 |
11 | 35446482 |
12 | 1a949706 |
13 | 1112c328 |
14 | 906c71c |
15 | 5e8c366 |
hex | 40e10b6 |
68030646 has 16 divisors (see below), whose sum is σ = 136555824. Its totient is φ = 22594464.
The previous prime is 68030639. The next prime is 68030663. The reversal of 68030646 is 64603086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18805 + ... + 22128.
It is an arithmetic number, because the mean of its divisors is an integer number (8534739).
Almost surely, 268030646 is an apocalyptic number.
68030646 is an abundant number, since it is smaller than the sum of its proper divisors (68525178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68030646 is a wasteful number, since it uses less digits than its factorization.
68030646 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41215.
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 68030646 is about 8248.0692286134. The cubic root of 68030646 is about 408.2268178465.
The spelling of 68030646 in words is "sixty-eight million, thirty thousand, six hundred forty-six".
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