Base | Representation |
---|---|
bin | 1100110110010… |
… | …1111010111000 |
3 | 10202102010211012 |
4 | 3031211322320 |
5 | 102244113330 |
6 | 5203053052 |
7 | 1223045546 |
oct | 315457270 |
9 | 122363735 |
10 | 53894840 |
11 | 28470a9a |
12 | 16071188 |
13 | b22014c |
14 | 722cd96 |
15 | 4ae8c95 |
hex | 3365eb8 |
53894840 has 32 divisors (see below), whose sum is σ = 122634000. Its totient is φ = 21314304.
The previous prime is 53894837. The next prime is 53894857. The reversal of 53894840 is 4849835.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4010 + ... + 11129.
Almost surely, 253894840 is an apocalyptic number.
It is an amenable number.
53894840 is an abundant number, since it is smaller than the sum of its proper divisors (68739160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53894840 is a wasteful number, since it uses less digits than its factorization.
53894840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15239 (or 15235 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 41.
The square root of 53894840 is about 7341.3105097115. The cubic root of 53894840 is about 377.7307975668.
The spelling of 53894840 in words is "fifty-three million, eight hundred ninety-four thousand, eight hundred forty".
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