Base | Representation |
---|---|
bin | 1000001100111… |
… | …10101111100100 |
3 | 11210110210100120 |
4 | 10012132233210 |
5 | 120103321102 |
6 | 10454441540 |
7 | 1463566254 |
oct | 406365744 |
9 | 153423316 |
10 | 68807652 |
11 | 35927231 |
12 | 1b0632b0 |
13 | 11341bb4 |
14 | 91d1964 |
15 | 60926bc |
hex | 419ebe4 |
68807652 has 12 divisors (see below), whose sum is σ = 160551216. Its totient is φ = 22935880.
The previous prime is 68807647. The next prime is 68807659. The reversal of 68807652 is 25670886.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (68807659) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866974 + ... + 2866997.
It is an arithmetic number, because the mean of its divisors is an integer number (13379268).
Almost surely, 268807652 is an apocalyptic number.
It is an amenable number.
68807652 is an abundant number, since it is smaller than the sum of its proper divisors (91743564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68807652 is a wasteful number, since it uses less digits than its factorization.
68807652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5733978 (or 5733976 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 68807652 is about 8295.0377937656. The cubic root of 68807652 is about 409.7751136338.
The spelling of 68807652 in words is "sixty-eight million, eight hundred seven thousand, six hundred fifty-two".
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