Base | Representation |
---|---|
bin | 1100101110101… |
… | …1110111000000 |
3 | 10201110202000011 |
4 | 3023223313000 |
5 | 102132114010 |
6 | 5144234304 |
7 | 1215564130 |
oct | 313536700 |
9 | 121422004 |
10 | 53394880 |
11 | 2815a400 |
12 | 15a6b994 |
13 | b0a6706 |
14 | 713cac0 |
15 | 4a4aa8a |
hex | 32ebdc0 |
53394880 has 168 divisors, whose sum is σ = 160532064. Its totient is φ = 16558080.
The previous prime is 53394853. The next prime is 53394881. The reversal of 53394880 is 8849335.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53394881) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270942 + ... + 271138.
It is an arithmetic number, because the mean of its divisors is an integer number (955548).
Almost surely, 253394880 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 53394880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80266032).
53394880 is an abundant number, since it is smaller than the sum of its proper divisors (107137184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53394880 is a wasteful number, since it uses less digits than its factorization.
53394880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243 (or 222 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 53394880 is about 7307.1800306274. The cubic root of 53394880 is about 376.5591499676.
It can be divided in two parts, 5 and 3394880, that multiplied together give a square (16974400 = 41202).
The spelling of 53394880 in words is "fifty-three million, three hundred ninety-four thousand, eight hundred eighty".
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