Base | Representation |
---|---|
bin | 1100111000001… |
… | …01000010110001 |
3 | 21112021012001100 |
4 | 12130011002301 |
5 | 210123231420 |
6 | 14415155013 |
7 | 2451121506 |
oct | 634050261 |
9 | 245235040 |
10 | 108023985 |
11 | 55a82023 |
12 | 30215a69 |
13 | 194c2b24 |
14 | 104bd4ad |
15 | 973c190 |
hex | 67050b1 |
108023985 has 96 divisors (see below), whose sum is σ = 208915200. Its totient is φ = 51448320.
The previous prime is 108023983. The next prime is 108023999. The reversal of 108023985 is 589320801.
It is not a de Polignac number, because 108023985 - 21 = 108023983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (108023983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1770855 + ... + 1770915.
It is an arithmetic number, because the mean of its divisors is an integer number (2176200).
Almost surely, 2108023985 is an apocalyptic number.
108023985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
108023985 is a deficient number, since it is larger than the sum of its proper divisors (100891215).
108023985 is a wasteful number, since it uses less digits than its factorization.
108023985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183 (or 180 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 108023985 is about 10393.4587602011. The cubic root of 108023985 is about 476.2555665127.
The spelling of 108023985 in words is "one hundred eight million, twenty-three thousand, nine hundred eighty-five".
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