Base | Representation |
---|---|
bin | 1000001001100… |
… | …01111101100110 |
3 | 11202122011011010 |
4 | 10010301331212 |
5 | 120000041321 |
6 | 10441123050 |
7 | 1460032242 |
oct | 404617546 |
9 | 152564133 |
10 | 68362086 |
11 | 356524a1 |
12 | 1aa89486 |
13 | 11217150 |
14 | 9117422 |
15 | 6005676 |
hex | 4131f66 |
68362086 has 32 divisors (see below), whose sum is σ = 148635648. Its totient is φ = 20835360.
The previous prime is 68362081. The next prime is 68362093. The reversal of 68362086 is 68026386.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68362081) 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 15 ways as a sum of consecutive naturals, for example, 4251 + ... + 12441.
It is an arithmetic number, because the mean of its divisors is an integer number (4644864).
Almost surely, 268362086 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68362086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74317824).
68362086 is an abundant number, since it is smaller than the sum of its proper divisors (80273562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68362086 is a wasteful number, since it uses less digits than its factorization.
68362086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8316.
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 68362086 is about 8268.1367913212. The cubic root of 68362086 is about 408.8886938744. Note that the first 3 decimals are identical.
The spelling of 68362086 in words is "sixty-eight million, three hundred sixty-two thousand, eighty-six".
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