Base | Representation |
---|---|
bin | 1100111101001… |
… | …01111010111010 |
3 | 21120111122222000 |
4 | 12132211322322 |
5 | 210310323223 |
6 | 14441241430 |
7 | 2456534610 |
oct | 636457272 |
9 | 246448860 |
10 | 108682938 |
11 | 56392111 |
12 | 30493276 |
13 | 19693a40 |
14 | 106116b0 |
15 | 981c543 |
hex | 67a5eba |
108682938 has 128 divisors (see below), whose sum is σ = 314979840. Its totient is φ = 26956800.
The previous prime is 108682901. The next prime is 108682943. The reversal of 108682938 is 839286801.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 108682893 and 108682902.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82888 + ... + 84188.
It is an arithmetic number, because the mean of its divisors is an integer number (2460780).
Almost surely, 2108682938 is an apocalyptic number.
108682938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 108682938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157489920).
108682938 is an abundant number, since it is smaller than the sum of its proper divisors (206296902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108682938 is a wasteful number, since it uses less digits than its factorization.
108682938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1349 (or 1343 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 108682938 is about 10425.1109346616. The cubic root of 108682938 is about 477.2220002190. Note that the first 3 decimals are identical.
The spelling of 108682938 in words is "one hundred eight million, six hundred eighty-two thousand, nine hundred thirty-eight".
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