Base | Representation |
---|---|
bin | 11000110101110… |
… | …11001000000000 |
3 | 112112010000210220 |
4 | 30122323020000 |
5 | 411321301022 |
6 | 32402223040 |
7 | 5110145010 |
oct | 1432731000 |
9 | 475100726 |
10 | 208384512 |
11 | a769a406 |
12 | 59954a80 |
13 | 3423175b |
14 | 1d965c40 |
15 | 1346385c |
hex | c6bb200 |
208384512 has 80 divisors (see below), whose sum is σ = 634489152. Its totient is φ = 59535360.
The previous prime is 208384489. The next prime is 208384529. The reversal of 208384512 is 215483802.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1062 + ... + 20442.
Almost surely, 2208384512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 208384512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317244576).
208384512 is an abundant number, since it is smaller than the sum of its proper divisors (426104640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208384512 is an equidigital number, since it uses as much as digits as its factorization.
208384512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19409 (or 19393 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 208384512 is about 14435.5295018922. The cubic root of 208384512 is about 592.8640899890.
The spelling of 208384512 in words is "two hundred eight million, three hundred eighty-four thousand, five hundred twelve".
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