Base | Representation |
---|---|
bin | 1100110010101… |
… | …1100101110000 |
3 | 10201222000002022 |
4 | 3030223211300 |
5 | 102213442140 |
6 | 5154011012 |
7 | 1221032153 |
oct | 314534560 |
9 | 121860068 |
10 | 53655920 |
11 | 2831853a |
12 | 15b76a68 |
13 | b168486 |
14 | 71a9c9a |
15 | 4a9d0b5 |
hex | 332b970 |
53655920 has 40 divisors (see below), whose sum is σ = 128128704. Its totient is φ = 20881152.
The previous prime is 53655919. The next prime is 53655967. The reversal of 53655920 is 2955635.
53655920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104 + ... + 12023.
Almost surely, 253655920 is an apocalyptic number.
It is an amenable number.
53655920 is an abundant number, since it is smaller than the sum of its proper divisors (74472784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53655920 is a wasteful number, since it uses less digits than its factorization.
53655920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18177 (or 18171 counting only the distinct ones).
The product of its (nonzero) digits is 40500, while the sum is 35.
The square root of 53655920 is about 7325.0201364911. The cubic root of 53655920 is about 377.1718007653.
The spelling of 53655920 in words is "fifty-three million, six hundred fifty-five thousand, nine hundred twenty".
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