Base | Representation |
---|---|
bin | 11000010011100… |
… | …01011111100000 |
3 | 112012122121120221 |
4 | 30021301133200 |
5 | 404143413413 |
6 | 32122012424 |
7 | 5024011300 |
oct | 1411613740 |
9 | 465577527 |
10 | 203888608 |
11 | a50a9590 |
12 | 58347114 |
13 | 33319261 |
14 | 1d115600 |
15 | 12d7668d |
hex | c2717e0 |
203888608 has 72 divisors (see below), whose sum is σ = 509433624. Its totient is φ = 79430400.
The previous prime is 203888569. The next prime is 203888609. The reversal of 203888608 is 806888302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203888609) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 11338 + ... + 23158.
It is an arithmetic number, because the mean of its divisors is an integer number (7075467).
Almost surely, 2203888608 is an apocalyptic number.
203888608 is a gapful number since it is divisible by the number (28) 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 203888608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254716812).
203888608 is an abundant number, since it is smaller than the sum of its proper divisors (305545016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203888608 is a wasteful number, since it uses less digits than its factorization.
203888608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11856 (or 11841 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 43.
The square root of 203888608 is about 14278.9568246423. The cubic root of 203888608 is about 588.5693653564.
The spelling of 203888608 in words is "two hundred three million, eight hundred eighty-eight thousand, six hundred eight".
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