Base | Representation |
---|---|
bin | 1101001101000… |
… | …1000001000000 |
3 | 10212012200221011 |
4 | 3103101001000 |
5 | 103134211310 |
6 | 5255010304 |
7 | 1241511535 |
oct | 323210100 |
9 | 125180834 |
10 | 55382080 |
11 | 29297416 |
12 | 16669994 |
13 | b621080 |
14 | 74d8d8c |
15 | 4cde78a |
hex | 34d1040 |
55382080 has 56 divisors (see below), whose sum is σ = 142033752. Its totient is φ = 20447232.
The previous prime is 55382077. The next prime is 55382087. The reversal of 55382080 is 8028355.
It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 55234624 = 384^2 + 7432^2 .
It is not an unprimeable number, because it can be changed into a prime (55382087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497 + ... + 10816.
It is an arithmetic number, because the mean of its divisors is an integer number (2536317).
Almost surely, 255382080 is an apocalyptic number.
It is an amenable number.
55382080 is an abundant number, since it is smaller than the sum of its proper divisors (86651672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55382080 is a wasteful number, since it uses less digits than its factorization.
55382080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13343 (or 13333 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 55382080 is about 7441.9137323675. The cubic root of 55382080 is about 381.1738402023.
The spelling of 55382080 in words is "fifty-five million, three hundred eighty-two thousand, eighty".
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