Base | Representation |
---|---|
bin | 1000001001100… |
… | …10000010110100 |
3 | 11202122011121111 |
4 | 10010302002310 |
5 | 120000044140 |
6 | 10441124404 |
7 | 1460033230 |
oct | 404620264 |
9 | 152564544 |
10 | 68362420 |
11 | 35652775 |
12 | 1aa89704 |
13 | 11217349 |
14 | 91175c0 |
15 | 60057ea |
hex | 41320b4 |
68362420 has 24 divisors (see below), whose sum is σ = 164070144. Its totient is φ = 23438496.
The previous prime is 68362403. The next prime is 68362493. The reversal of 68362420 is 2426386.
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, 244012 + ... + 244291.
It is an arithmetic number, because the mean of its divisors is an integer number (6836256).
Almost surely, 268362420 is an apocalyptic number.
It is an amenable number.
68362420 is an abundant number, since it is smaller than the sum of its proper divisors (95707724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68362420 is a wasteful number, since it uses less digits than its factorization.
68362420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488319 (or 488317 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 68362420 is about 8268.1569893175. The cubic root of 68362420 is about 408.8893597825.
The spelling of 68362420 in words is "sixty-eight million, three hundred sixty-two thousand, four hundred twenty".
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