Base | Representation |
---|---|
bin | 11000110011000… |
… | …10010110100111 |
3 | 112111102120000220 |
4 | 30121202112213 |
5 | 411223132103 |
6 | 32350335423 |
7 | 5104101636 |
oct | 1431422647 |
9 | 474376026 |
10 | 208020903 |
11 | a7471202 |
12 | 597ba573 |
13 | 341350bc |
14 | 1d8ad51d |
15 | 133e0c53 |
hex | c6625a7 |
208020903 has 8 divisors (see below), whose sum is σ = 277522416. Its totient is φ = 138600000.
The previous prime is 208020893. The next prime is 208020929. The reversal of 208020903 is 309020802.
208020903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 208020903 - 24 = 208020887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208020203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13848 + ... + 24653.
It is an arithmetic number, because the mean of its divisors is an integer number (34690302).
Almost surely, 2208020903 is an apocalyptic number.
208020903 is a deficient number, since it is larger than the sum of its proper divisors (69501513).
208020903 is a wasteful number, since it uses less digits than its factorization.
208020903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40305.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 208020903 is about 14422.9297647877. The cubic root of 208020903 is about 592.5190607908.
The spelling of 208020903 in words is "two hundred eight million, twenty thousand, nine hundred three".
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