Base | Representation |
---|---|
bin | 11000110011011… |
… | …10110101011010 |
3 | 112111112011011100 |
4 | 30121232311122 |
5 | 411231301101 |
6 | 32351412230 |
7 | 5104403661 |
oct | 1431566532 |
9 | 474464140 |
10 | 208072026 |
11 | a74a6658 |
12 | 59824076 |
13 | 34152456 |
14 | 1d8c3dd8 |
15 | 13400e86 |
hex | c66ed5a |
208072026 has 12 divisors (see below), whose sum is σ = 450822762. Its totient is φ = 69357336.
The previous prime is 208072003. The next prime is 208072057. The reversal of 208072026 is 620270802.
It can be written as a sum of positive squares in only one way, i.e., 135839025 + 72233001 = 11655^2 + 8499^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5779761 + ... + 5779796.
Almost surely, 2208072026 is an apocalyptic number.
208072026 is an abundant number, since it is smaller than the sum of its proper divisors (242750736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208072026 is a wasteful number, since it uses less digits than its factorization.
208072026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11559565 (or 11559562 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 208072026 is about 14424.7019379951. The cubic root of 208072026 is about 592.5675957703.
The spelling of 208072026 in words is "two hundred eight million, seventy-two thousand, twenty-six".
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