Base | Representation |
---|---|
bin | 10110101000001… |
… | …00000011010000 |
3 | 111020011021210100 |
4 | 23110010003100 |
5 | 342042340343 |
6 | 30500132400 |
7 | 4463230365 |
oct | 1324040320 |
9 | 436137710 |
10 | 189808848 |
11 | 98162219 |
12 | 53697100 |
13 | 30429738 |
14 | 1b2cc46c |
15 | 119e49d3 |
hex | b5040d0 |
189808848 has 60 divisors (see below), whose sum is σ = 533804128. Its totient is φ = 62959680.
The previous prime is 189808831. The next prime is 189808867. The reversal of 189808848 is 848808981.
It is a junction number, because it is equal to n+sod(n) for n = 189808794 and 189808803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27261 + ... + 33507.
Almost surely, 2189808848 is an apocalyptic number.
189808848 is a gapful number since it is divisible by the number (18) 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 189808848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266902064).
189808848 is an abundant number, since it is smaller than the sum of its proper divisors (343995280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189808848 is a wasteful number, since it uses less digits than its factorization.
189808848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6472 (or 6463 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 54.
The square root of 189808848 is about 13777.1131954412. The cubic root of 189808848 is about 574.6968514198.
The spelling of 189808848 in words is "one hundred eighty-nine million, eight hundred eight thousand, eight hundred forty-eight".
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