Base | Representation |
---|---|
bin | 1000001000110… |
… | …00110000011100 |
3 | 11202102220112100 |
4 | 10010120300130 |
5 | 114433240334 |
6 | 10435005100 |
7 | 1456122243 |
oct | 404306034 |
9 | 152386470 |
10 | 68258844 |
11 | 35591975 |
12 | 1aa39790 |
13 | 111ac164 |
14 | 90cb95a |
15 | 5ed4c99 |
hex | 4118c1c |
68258844 has 36 divisors (see below), whose sum is σ = 174734560. Its totient is φ = 22464000.
The previous prime is 68258843. The next prime is 68258851. The reversal of 68258844 is 44885286.
68258844 is a `hidden beast` number, since 68 + 2 + 588 + 4 + 4 = 666.
68258844 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
68258844 is strictly pandigital in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 68258844.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68258843) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9157 + ... + 14844.
Almost surely, 268258844 is an apocalyptic number.
It is an amenable number.
68258844 is an abundant number, since it is smaller than the sum of its proper divisors (106475716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68258844 is a wasteful number, since it uses less digits than its factorization.
68258844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24090 (or 24085 counting only the distinct ones).
The product of its digits is 491520, while the sum is 45.
The square root of 68258844 is about 8261.8910668200. The cubic root of 68258844 is about 408.6827524530.
The spelling of 68258844 in words is "sixty-eight million, two hundred fifty-eight thousand, eight hundred forty-four".
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