Base | Representation |
---|---|
bin | 1101000010110… |
… | …0110101000000 |
3 | 10210221112102022 |
4 | 3100230311000 |
5 | 103001201233 |
6 | 5232341012 |
7 | 1233011054 |
oct | 320546500 |
9 | 123845368 |
10 | 54709568 |
11 | 28978121 |
12 | 163a4768 |
13 | b446c34 |
14 | 73a1c64 |
15 | 4c0a398 |
hex | 342cd40 |
54709568 has 42 divisors (see below), whose sum is σ = 111490506. Its totient is φ = 26627328.
The previous prime is 54709561. The next prime is 54709597. The reversal of 54709568 is 86590745.
It can be written as a sum of positive squares in only one way, i.e., 50580544 + 4129024 = 7112^2 + 2032^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54709561) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430721 + ... + 430847.
Almost surely, 254709568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54709568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55745253).
54709568 is an abundant number, since it is smaller than the sum of its proper divisors (56780938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54709568 is an equidigital number, since it uses as much as digits as its factorization.
54709568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319 (or 182 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 44.
The square root of 54709568 is about 7396.5916475090. The cubic root of 54709568 is about 379.6246709578.
The spelling of 54709568 in words is "fifty-four million, seven hundred nine thousand, five hundred sixty-eight".
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