Base | Representation |
---|---|
bin | 11000110110101… |
… | …00001100011100 |
3 | 112112022020200000 |
4 | 30123110030130 |
5 | 411333042241 |
6 | 32404334300 |
7 | 5111053251 |
oct | 1433241434 |
9 | 475266600 |
10 | 208487196 |
11 | a775a575 |
12 | 599a4390 |
13 | 34269408 |
14 | 1d991428 |
15 | 13483eb6 |
hex | c6d431c |
208487196 has 72 divisors (see below), whose sum is σ = 549878784. Its totient is φ = 69070320.
The previous prime is 208487189. The next prime is 208487219. The reversal of 208487196 is 691784802.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 185091 + ... + 186213.
Almost surely, 2208487196 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 208487196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274939392).
208487196 is an abundant number, since it is smaller than the sum of its proper divisors (341391588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208487196 is a wasteful number, since it uses less digits than its factorization.
208487196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1333 (or 1319 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 208487196 is about 14439.0857051269. The cubic root of 208487196 is about 592.9614543260.
The spelling of 208487196 in words is "two hundred eight million, four hundred eighty-seven thousand, one hundred ninety-six".
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