Base | Representation |
---|---|
bin | 1100111001100… |
… | …1110010010000 |
3 | 10202210221020100 |
4 | 3032121302100 |
5 | 102322413110 |
6 | 5211412400 |
7 | 1224622113 |
oct | 316316220 |
9 | 122727210 |
10 | 54107280 |
11 | 285a6667 |
12 | 16154100 |
13 | b295a56 |
14 | 728657a |
15 | 4b3bbc0 |
hex | 3399c90 |
54107280 has 60 divisors (see below), whose sum is σ = 181712700. Its totient is φ = 14428416.
The previous prime is 54107233. The next prime is 54107281. The reversal of 54107280 is 8270145.
It can be written as a sum of positive squares in 2 ways, for example, as 7485696 + 46621584 = 2736^2 + 6828^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is not an unprimeable number, because it can be changed into a prime (54107281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36855 + ... + 38294.
It is an arithmetic number, because the mean of its divisors is an integer number (3028545).
Almost surely, 254107280 is an apocalyptic number.
It is an amenable number.
54107280 is an abundant number, since it is smaller than the sum of its proper divisors (127605420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54107280 is a wasteful number, since it uses less digits than its factorization.
54107280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75168 (or 75159 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 54107280 is about 7355.7650859717. The cubic root of 54107280 is about 378.2264537093.
The spelling of 54107280 in words is "fifty-four million, one hundred seven thousand, two hundred eighty".
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