Base | Representation |
---|---|
bin | 1100111101111… |
… | …0101000100000 |
3 | 10210100021001210 |
4 | 3033132220200 |
5 | 102410424110 |
6 | 5221430120 |
7 | 1230205221 |
oct | 317365040 |
9 | 123307053 |
10 | 54389280 |
11 | 28779520 |
12 | 1626b340 |
13 | b36420a |
14 | 731b248 |
15 | 4b95520 |
hex | 33dea20 |
54389280 has 96 divisors (see below), whose sum is σ = 186919488. Its totient is φ = 13184000.
The previous prime is 54389263. The next prime is 54389299. The reversal of 54389280 is 8298345.
It is a happy number.
54389280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130 + ... + 10430.
It is an arithmetic number, because the mean of its divisors is an integer number (1947078).
Almost surely, 254389280 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 54389280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93459744).
54389280 is an abundant number, since it is smaller than the sum of its proper divisors (132530208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54389280 is a wasteful number, since it uses less digits than its factorization.
54389280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10330 (or 10322 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 54389280 is about 7374.9088129956. The cubic root of 54389280 is about 378.8824042307.
The spelling of 54389280 in words is "fifty-four million, three hundred eighty-nine thousand, two hundred eighty".
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