Base | Representation |
---|---|
bin | 1000001000010… |
… | …10000100010100 |
3 | 11202022211222220 |
4 | 10010022010110 |
5 | 114424324201 |
6 | 10433422340 |
7 | 1455451650 |
oct | 404120424 |
9 | 152284886 |
10 | 68198676 |
11 | 35550747 |
12 | 1aa0a9b0 |
13 | 1118a960 |
14 | 90b3a60 |
15 | 5ec2036 |
hex | 410a114 |
68198676 has 144 divisors (see below), whose sum is σ = 207897984. Its totient is φ = 16941312.
The previous prime is 68198639. The next prime is 68198707. The reversal of 68198676 is 67689186.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394126 + ... + 394298.
It is an arithmetic number, because the mean of its divisors is an integer number (1443736).
Almost surely, 268198676 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 68198676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103948992).
68198676 is an abundant number, since it is smaller than the sum of its proper divisors (139699308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68198676 is a wasteful number, since it uses less digits than its factorization.
68198676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238 (or 217 counting only the distinct ones).
The product of its digits is 870912, while the sum is 51.
The square root of 68198676 is about 8258.2489669421. The cubic root of 68198676 is about 408.5626368707.
The spelling of 68198676 in words is "sixty-eight million, one hundred ninety-eight thousand, six hundred seventy-six".
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