Base | Representation |
---|---|
bin | 1100111110111… |
… | …0100011010000 |
3 | 10210110120111121 |
4 | 3033232203100 |
5 | 102420020410 |
6 | 5223052024 |
7 | 1230566263 |
oct | 317564320 |
9 | 123416447 |
10 | 54454480 |
11 | 28813503 |
12 | 162a1014 |
13 | b387ab2 |
14 | 7336cda |
15 | 4ba99da |
hex | 33ee8d0 |
54454480 has 20 divisors (see below), whose sum is σ = 126606852. Its totient is φ = 21781760.
The previous prime is 54454471. The next prime is 54454483. The reversal of 54454480 is 8445445.
It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 16064064 = 6196^2 + 4008^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54454483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340261 + ... + 340420.
Almost surely, 254454480 is an apocalyptic number.
It is an amenable number.
54454480 is an abundant number, since it is smaller than the sum of its proper divisors (72152372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54454480 is a wasteful number, since it uses less digits than its factorization.
54454480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 680694 (or 680688 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 34.
The square root of 54454480 is about 7379.3278826733. The cubic root of 54454480 is about 379.0337408436.
The spelling of 54454480 in words is "fifty-four million, four hundred fifty-four thousand, four hundred eighty".
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