Base | Representation |
---|---|
bin | 1000001101111… |
… | …01010000111100 |
3 | 11210201010211210 |
4 | 10012331100330 |
5 | 120121321133 |
6 | 10501244420 |
7 | 1464626610 |
oct | 406752074 |
9 | 153633753 |
10 | 68932668 |
11 | 35a02152 |
12 | 1b103710 |
13 | 11386a7c |
14 | 9225340 |
15 | 60b9763 |
hex | 41bd43c |
68932668 has 24 divisors (see below), whose sum is σ = 183820672. Its totient is φ = 19695024.
The previous prime is 68932663. The next prime is 68932673. The reversal of 68932668 is 86623986.
It is an interprime number because it is at equal distance from previous prime (68932663) and next prime (68932673).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68932663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410230 + ... + 410397.
Almost surely, 268932668 is an apocalyptic number.
It is an amenable number.
68932668 is an abundant number, since it is smaller than the sum of its proper divisors (114888004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68932668 is a wasteful number, since it uses less digits than its factorization.
68932668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 820641 (or 820639 counting only the distinct ones).
The product of its digits is 746496, while the sum is 48.
The square root of 68932668 is about 8302.5699635715. The cubic root of 68932668 is about 410.0231357161.
The spelling of 68932668 in words is "sixty-eight million, nine hundred thirty-two thousand, six hundred sixty-eight".
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