Base | Representation |
---|---|
bin | 1100111101001… |
… | …00110001001100 |
3 | 21120111102111021 |
4 | 12132210301030 |
5 | 210310200340 |
6 | 14441203524 |
7 | 2456515060 |
oct | 636446114 |
9 | 246442437 |
10 | 108678220 |
11 | 56389612 |
12 | 304905a4 |
13 | 19691851 |
14 | 1060daa0 |
15 | 981ae4a |
hex | 67a4c4c |
108678220 has 48 divisors (see below), whose sum is σ = 272176128. Its totient is φ = 35640000.
The previous prime is 108678191. The next prime is 108678247. The reversal of 108678220 is 22876801.
It is an unprimeable number.
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, 13656 + ... + 20095.
It is an arithmetic number, because the mean of its divisors is an integer number (5670336).
Almost surely, 2108678220 is an apocalyptic number.
108678220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108678220 is an abundant number, since it is smaller than the sum of its proper divisors (163497908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108678220 is a wasteful number, since it uses less digits than its factorization.
108678220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33790 (or 33788 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 108678220 is about 10424.8846516400. The cubic root of 108678220 is about 477.2150946090.
The spelling of 108678220 in words is "one hundred eight million, six hundred seventy-eight thousand, two hundred twenty".
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