Base | Representation |
---|---|
bin | 11000110010111… |
… | …11111001100101 |
3 | 112111102001020200 |
4 | 30121133321211 |
5 | 411222321403 |
6 | 32350221113 |
7 | 5104030431 |
oct | 1431377145 |
9 | 474361220 |
10 | 208010853 |
11 | a74646a6 |
12 | 597b4799 |
13 | 3413065b |
14 | 1d8a99c1 |
15 | 133dcca3 |
hex | c65fe65 |
208010853 has 6 divisors (see below), whose sum is σ = 300460134. Its totient is φ = 138673896.
The previous prime is 208010851. The next prime is 208010863. The reversal of 208010853 is 358010802.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 184362084 + 23648769 = 13578^2 + 4863^2 .
It is not a de Polignac number, because 208010853 - 21 = 208010851 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208010851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11556150 + ... + 11556167.
It is an arithmetic number, because the mean of its divisors is an integer number (50076689).
Almost surely, 2208010853 is an apocalyptic number.
It is an amenable number.
208010853 is a deficient number, since it is larger than the sum of its proper divisors (92449281).
208010853 is a wasteful number, since it uses less digits than its factorization.
208010853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23112323 (or 23112320 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 208010853 is about 14422.5813570248. The cubic root of 208010853 is about 592.5095186208.
The spelling of 208010853 in words is "two hundred eight million, ten thousand, eight hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.124 sec. • engine limits •