Base | Representation |
---|---|
bin | 1100111111110… |
… | …1000011001110 |
3 | 10210120120222020 |
4 | 3033331003032 |
5 | 102423420440 |
6 | 5224231010 |
7 | 1231234365 |
oct | 317750316 |
9 | 123516866 |
10 | 54513870 |
11 | 28854094 |
12 | 1630b466 |
13 | b3a8b38 |
14 | 73507dc |
15 | 4bbc3d0 |
hex | 33fd0ce |
54513870 has 32 divisors (see below), whose sum is σ = 132982560. Its totient is φ = 14298240.
The previous prime is 54513863. The next prime is 54513923. The reversal of 54513870 is 7831545.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13065 + ... + 16724.
It is an arithmetic number, because the mean of its divisors is an integer number (4155705).
Almost surely, 254513870 is an apocalyptic number.
54513870 is an abundant number, since it is smaller than the sum of its proper divisors (78468690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54513870 is a wasteful number, since it uses less digits than its factorization.
54513870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29860.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 54513870 is about 7383.3508652914. The cubic root of 54513870 is about 379.1714866889.
The spelling of 54513870 in words is "fifty-four million, five hundred thirteen thousand, eight hundred seventy".
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