Base | Representation |
---|---|
bin | 1000001101000… |
… | …10101010101011 |
3 | 11210111121101210 |
4 | 10012202222223 |
5 | 120104324343 |
6 | 10455044203 |
7 | 1463664153 |
oct | 406425253 |
9 | 153447353 |
10 | 68823723 |
11 | 35938311 |
12 | 1b070663 |
13 | 113492c7 |
14 | 91d7763 |
15 | 6097333 |
hex | 41a2aab |
68823723 has 16 divisors (see below), whose sum is σ = 93224736. Its totient is φ = 45158400.
The previous prime is 68823631. The next prime is 68823739. The reversal of 68823723 is 32732886.
It is a happy number.
It is not a de Polignac number, because 68823723 - 214 = 68807339 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68823763) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59115 + ... + 60267.
It is an arithmetic number, because the mean of its divisors is an integer number (5826546).
Almost surely, 268823723 is an apocalyptic number.
68823723 is a deficient number, since it is larger than the sum of its proper divisors (24401013).
68823723 is a wasteful number, since it uses less digits than its factorization.
68823723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1454.
The product of its digits is 96768, while the sum is 39.
The square root of 68823723 is about 8296.0064488885. The cubic root of 68823723 is about 409.8070140742.
The spelling of 68823723 in words is "sixty-eight million, eight hundred twenty-three thousand, seven hundred twenty-three".
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