Base | Representation |
---|---|
bin | 1000001000000… |
… | …10110001111010 |
3 | 11202021100001100 |
4 | 10010002301322 |
5 | 114422400301 |
6 | 10433032230 |
7 | 1455265635 |
oct | 404026172 |
9 | 152240040 |
10 | 68168826 |
11 | 35530280 |
12 | 1a9b5676 |
13 | 1117a1ab |
14 | 90a6c1c |
15 | 5eb8286 |
hex | 4102c7a |
68168826 has 48 divisors (see below), whose sum is σ = 168143040. Its totient is φ = 19757760.
The previous prime is 68168809. The next prime is 68168851. The reversal of 68168826 is 62886186.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2931 + ... + 12038.
It is an arithmetic number, because the mean of its divisors is an integer number (3502980).
Almost surely, 268168826 is an apocalyptic number.
68168826 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68168826 is an abundant number, since it is smaller than the sum of its proper divisors (99974214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68168826 is a wasteful number, since it uses less digits than its factorization.
68168826 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15011 (or 15008 counting only the distinct ones).
The product of its digits is 221184, while the sum is 45.
The square root of 68168826 is about 8256.4414852889. The cubic root of 68168826 is about 408.5030200025.
The spelling of 68168826 in words is "sixty-eight million, one hundred sixty-eight thousand, eight hundred twenty-six".
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