Base | Representation |
---|---|
bin | 1100101011010… |
… | …0101100011000 |
3 | 10201001021001021 |
4 | 3022310230120 |
5 | 102102401140 |
6 | 5135332224 |
7 | 1213633300 |
oct | 312645430 |
9 | 121037037 |
10 | 53168920 |
11 | 28015662 |
12 | 15981074 |
13 | b0278cc |
14 | 70c0600 |
15 | 4a03b4a |
hex | 32b4b18 |
53168920 has 48 divisors (see below), whose sum is σ = 139166640. Its totient is φ = 18228672.
The previous prime is 53168903. The next prime is 53168953. The reversal of 53168920 is 2986135.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11604 + ... + 15523.
It is an arithmetic number, because the mean of its divisors is an integer number (2899305).
Almost surely, 253168920 is an apocalyptic number.
It is an amenable number.
53168920 is an abundant number, since it is smaller than the sum of its proper divisors (85997720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53168920 is a wasteful number, since it uses less digits than its factorization.
53168920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27152 (or 27141 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 53168920 is about 7291.7021332471. The cubic root of 53168920 is about 376.0272162282.
The spelling of 53168920 in words is "fifty-three million, one hundred sixty-eight thousand, nine hundred twenty".
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