Base | Representation |
---|---|
bin | 1101000001110… |
… | …0100101100000 |
3 | 10210211011011022 |
4 | 3100130211200 |
5 | 102442034130 |
6 | 5231105012 |
7 | 1232313104 |
oct | 320344540 |
9 | 123734138 |
10 | 54643040 |
11 | 28932141 |
12 | 16372168 |
13 | b42287a |
14 | 7385904 |
15 | 4be57e5 |
hex | 341c960 |
54643040 has 48 divisors (see below), whose sum is σ = 129539088. Its totient is φ = 21782016.
The previous prime is 54643021. The next prime is 54643051. The reversal of 54643040 is 4034645.
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, 83354 + ... + 84006.
It is an arithmetic number, because the mean of its divisors is an integer number (2698731).
Almost surely, 254643040 is an apocalyptic number.
It is an amenable number.
54643040 is an abundant number, since it is smaller than the sum of its proper divisors (74896048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54643040 is a wasteful number, since it uses less digits than its factorization.
54643040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1191 (or 1183 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 54643040 is about 7392.0930730071. The cubic root of 54643040 is about 379.4707313143.
Adding to 54643040 its reverse (4034645), we get a palindrome (58677685).
The spelling of 54643040 in words is "fifty-four million, six hundred forty-three thousand, forty".
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