Base | Representation |
---|---|
bin | 11000110011010… |
… | …11010100101001 |
3 | 112111111102102120 |
4 | 30121223110221 |
5 | 411230321031 |
6 | 32351221453 |
7 | 5104314021 |
oct | 1431532451 |
9 | 474442376 |
10 | 208057641 |
11 | a7496870 |
12 | 59817889 |
13 | 34148a3c |
14 | 1d8bca81 |
15 | 133eba96 |
hex | c66b529 |
208057641 has 16 divisors (see below), whose sum is σ = 307593408. Its totient is φ = 124027200.
The previous prime is 208057627. The next prime is 208057643. The reversal of 208057641 is 146750802.
208057641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 208057641 - 211 = 208055593 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (208057643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49666 + ... + 53691.
It is an arithmetic number, because the mean of its divisors is an integer number (19224588).
Almost surely, 2208057641 is an apocalyptic number.
It is an amenable number.
208057641 is a deficient number, since it is larger than the sum of its proper divisors (99535767).
208057641 is a wasteful number, since it uses less digits than its factorization.
208057641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103432.
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 208057641 is about 14424.2033055556. The cubic root of 208057641 is about 592.5539397919.
The spelling of 208057641 in words is "two hundred eight million, fifty-seven thousand, six hundred forty-one".
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