Base | Representation |
---|---|
bin | 11000110011010… |
… | …01101101010100 |
3 | 112111111002100122 |
4 | 30121221231110 |
5 | 411230113103 |
6 | 32351131112 |
7 | 5104255523 |
oct | 1431515524 |
9 | 474432318 |
10 | 208051028 |
11 | a74918a9 |
12 | 59813a98 |
13 | 34145a23 |
14 | 1d8ba4ba |
15 | 133e9b38 |
hex | c669b54 |
208051028 has 24 divisors (see below), whose sum is σ = 376770240. Its totient is φ = 100457280.
The previous prime is 208051021. The next prime is 208051057. The reversal of 208051028 is 820150802.
208051028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×2080510284 (a number of 34 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 208050988 and 208051006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208051021) 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, 8513 + ... + 22103.
It is an arithmetic number, because the mean of its divisors is an integer number (15698760).
Almost surely, 2208051028 is an apocalyptic number.
It is an amenable number.
208051028 is a deficient number, since it is larger than the sum of its proper divisors (168719212).
208051028 is a wasteful number, since it uses less digits than its factorization.
208051028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13727 (or 13725 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 208051028 is about 14423.9740709695. The cubic root of 208051028 is about 592.5476617228.
The spelling of 208051028 in words is "two hundred eight million, fifty-one thousand, twenty-eight".
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