Base | Representation |
---|---|
bin | 1000001100101… |
… | …10011111011000 |
3 | 11210102001222120 |
4 | 10012112133120 |
5 | 120101230343 |
6 | 10454021240 |
7 | 1463365563 |
oct | 406263730 |
9 | 153361876 |
10 | 68773848 |
11 | 359038a0 |
12 | 1b047820 |
13 | 1132c6b0 |
14 | 91c34da |
15 | 6087683 |
hex | 41967d8 |
68773848 has 128 divisors (see below), whose sum is σ = 209260800. Its totient is φ = 18547200.
The previous prime is 68773843. The next prime is 68773867. The reversal of 68773848 is 84837786.
It is a Cunningham number, because it is equal to 82932-1.
It is a self number, because there is not a number n which added to its sum of digits gives 68773848.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68773843) 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 31 ways as a sum of consecutive naturals, for example, 99183 + ... + 99873.
It is an arithmetic number, because the mean of its divisors is an integer number (1634850).
Almost surely, 268773848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68773848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104630400).
68773848 is an abundant number, since it is smaller than the sum of its proper divisors (140486952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68773848 is a wasteful number, since it uses less digits than its factorization.
68773848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 753 (or 749 counting only the distinct ones).
The product of its digits is 1806336, while the sum is 51.
The square root of 68773848 is about 8292.9999397082. Note that the first 4 decimals coincide. The cubic root of 68773848 is about 409.7079975181.
It can be divided in two parts, 687738 and 48, that added together give a palindrome (687786).
The spelling of 68773848 in words is "sixty-eight million, seven hundred seventy-three thousand, eight hundred forty-eight".
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