Base | Representation |
---|---|
bin | 1000001100111… |
… | …00110100101010 |
3 | 11210110101120020 |
4 | 10012130310222 |
5 | 120103043121 |
6 | 10454341310 |
7 | 1463534316 |
oct | 406346452 |
9 | 153411506 |
10 | 68799786 |
11 | 35921330 |
12 | 1b05a836 |
13 | 1133b443 |
14 | 91ccb46 |
15 | 60901c6 |
hex | 419cd2a |
68799786 has 32 divisors (see below), whose sum is σ = 151609536. Its totient is φ = 20640000.
The previous prime is 68799769. The next prime is 68799791.
68799786 is nontrivially palindromic in base 10.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506 + ... + 11826.
It is an arithmetic number, because the mean of its divisors is an integer number (4737798).
Almost surely, 268799786 is an apocalyptic number.
68799786 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 68799786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75804768).
68799786 is an abundant number, since it is smaller than the sum of its proper divisors (82809750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68799786 is a wasteful number, since it uses less digits than its factorization.
68799786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10438.
The product of its digits is 9144576, while the sum is 60.
The square root of 68799786 is about 8294.5636413256. The cubic root of 68799786 is about 409.7594980552.
The spelling of 68799786 in words is "sixty-eight million, seven hundred ninety-nine thousand, seven hundred eighty-six".
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