Base | Representation |
---|---|
bin | 1100110000001… |
… | …0001000000000 |
3 | 10201122101002221 |
4 | 3030002020000 |
5 | 102143023310 |
6 | 5150220424 |
7 | 1216424044 |
oct | 314021000 |
9 | 121571087 |
10 | 53486080 |
11 | 2821197a |
12 | 15ab4714 |
13 | b10908b |
14 | 7164024 |
15 | 4a67ada |
hex | 3302200 |
53486080 has 80 divisors (see below), whose sum is σ = 135895320. Its totient is φ = 20119552.
The previous prime is 53486021. The next prime is 53486093. The reversal of 53486080 is 8068435.
It can be written as a sum of positive squares in 4 ways, for example, as 53465344 + 20736 = 7312^2 + 144^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (34).
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, 42906 + ... + 44134.
Almost surely, 253486080 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 53486080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67947660).
53486080 is an abundant number, since it is smaller than the sum of its proper divisors (82409240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53486080 is a wasteful number, since it uses less digits than its factorization.
53486080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1269 (or 1253 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 53486080 is about 7313.4178056501. The cubic root of 53486080 is about 376.7734193290.
The spelling of 53486080 in words is "fifty-three million, four hundred eighty-six thousand, eighty".
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