Base | Representation |
---|---|
bin | 1000001100001… |
… | …10100101001010 |
3 | 11210021202121000 |
4 | 10012012211022 |
5 | 120042134212 |
6 | 10452355430 |
7 | 1463004600 |
oct | 406064512 |
9 | 153252530 |
10 | 68708682 |
11 | 35869939 |
12 | 1b015b76 |
13 | 11308b33 |
14 | 91a7870 |
15 | 60731dc |
hex | 418694a |
68708682 has 96 divisors (see below), whose sum is σ = 185500800. Its totient is φ = 18760896.
The previous prime is 68708663. The next prime is 68708683. The reversal of 68708682 is 28680786.
It is not an unprimeable number, because it can be changed into a prime (68708683) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60294 + ... + 61422.
It is an arithmetic number, because the mean of its divisors is an integer number (1932300).
Almost surely, 268708682 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68708682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92750400).
68708682 is an abundant number, since it is smaller than the sum of its proper divisors (116792118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68708682 is a wasteful number, since it uses less digits than its factorization.
68708682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1177 (or 1164 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 68708682 is about 8289.0700322774. The cubic root of 68708682 is about 409.5785516634.
The spelling of 68708682 in words is "sixty-eight million, seven hundred eight thousand, six hundred eighty-two".
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