Base | Representation |
---|---|
bin | 1101000011111… |
… | …1001111100000 |
3 | 10211002100212210 |
4 | 3100333033200 |
5 | 103011104432 |
6 | 5234122120 |
7 | 1233444003 |
oct | 320771740 |
9 | 124070783 |
10 | 54784992 |
11 | 28a19859 |
12 | 16420340 |
13 | b472372 |
14 | 73c153a |
15 | 4c228cc |
hex | 343f3e0 |
54784992 has 24 divisors (see below), whose sum is σ = 143810856. Its totient is φ = 18261632.
The previous prime is 54784969. The next prime is 54784997. The reversal of 54784992 is 29948745.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54784997) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285243 + ... + 285434.
It is an arithmetic number, because the mean of its divisors is an integer number (5992119).
Almost surely, 254784992 is an apocalyptic number.
It is an amenable number.
54784992 is an abundant number, since it is smaller than the sum of its proper divisors (89025864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54784992 is a wasteful number, since it uses less digits than its factorization.
54784992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570690 (or 570682 counting only the distinct ones).
The product of its digits is 725760, while the sum is 48.
The square root of 54784992 is about 7401.6884560214. The cubic root of 54784992 is about 379.7990442550.
The spelling of 54784992 in words is "fifty-four million, seven hundred eighty-four thousand, nine hundred ninety-two".
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