Base | Representation |
---|---|
bin | 10110011100100… |
… | …00010010000000 |
3 | 111010021220221112 |
4 | 23032100102000 |
5 | 341200123310 |
6 | 30403342452 |
7 | 4444256003 |
oct | 1316202200 |
9 | 433256845 |
10 | 188286080 |
11 | 97312134 |
12 | 53081a28 |
13 | 300155a8 |
14 | 1b01353a |
15 | 117e3705 |
hex | b390480 |
188286080 has 64 divisors (see below), whose sum is σ = 456943680. Its totient is φ = 74173440.
The previous prime is 188286071. The next prime is 188286097. The reversal of 188286080 is 80682881.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40685 + ... + 45075.
It is an arithmetic number, because the mean of its divisors is an integer number (7139745).
Almost surely, 2188286080 is an apocalyptic number.
188286080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 188286080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228471840).
188286080 is an abundant number, since it is smaller than the sum of its proper divisors (268657600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188286080 is an equidigital number, since it uses as much as digits as its factorization.
188286080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4477 (or 4465 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 41.
The square root of 188286080 is about 13721.7374993111. The cubic root of 188286080 is about 573.1558611810.
The spelling of 188286080 in words is "one hundred eighty-eight million, two hundred eighty-six thousand, eighty".
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