Base | Representation |
---|---|
bin | 1000001001101… |
… | …11111101101110 |
3 | 11202200101212122 |
4 | 10010313331232 |
5 | 120001333140 |
6 | 10441432542 |
7 | 1460164022 |
oct | 404677556 |
9 | 152611778 |
10 | 68386670 |
11 | 35669a10 |
12 | 1aa9b752 |
13 | 112253b1 |
14 | 9122382 |
15 | 600cab5 |
hex | 4137f6e |
68386670 has 16 divisors (see below), whose sum is σ = 134286768. Its totient is φ = 24867840.
The previous prime is 68386663. The next prime is 68386691. The reversal of 68386670 is 7668386.
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, 310739 + ... + 310958.
It is an arithmetic number, because the mean of its divisors is an integer number (8392923).
Almost surely, 268386670 is an apocalyptic number.
68386670 is a deficient number, since it is larger than the sum of its proper divisors (65900098).
68386670 is a wasteful number, since it uses less digits than its factorization.
68386670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 621715.
The product of its (nonzero) digits is 290304, while the sum is 44.
The square root of 68386670 is about 8269.6233287859. The cubic root of 68386670 is about 408.9377021065.
The spelling of 68386670 in words is "sixty-eight million, three hundred eighty-six thousand, six hundred seventy".
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