Base | Representation |
---|---|
bin | 1100111000010… |
… | …0111111110000 |
3 | 10202122121102120 |
4 | 3032010333300 |
5 | 102312202003 |
6 | 5205514240 |
7 | 1224115626 |
oct | 316047760 |
9 | 122577376 |
10 | 54022128 |
11 | 28548696 |
12 | 16112980 |
13 | b266074 |
14 | 7263516 |
15 | 4b21853 |
hex | 3384ff0 |
54022128 has 60 divisors (see below), whose sum is σ = 145106040. Its totient is φ = 17298176.
The previous prime is 54022123. The next prime is 54022151. The reversal of 54022128 is 82122045.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 54022098 and 54022107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54022123) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274126 + ... + 274322.
It is an arithmetic number, because the mean of its divisors is an integer number (2418434).
Almost surely, 254022128 is an apocalyptic number.
54022128 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54022128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72553020).
54022128 is an abundant number, since it is smaller than the sum of its proper divisors (91083912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54022128 is a wasteful number, since it uses less digits than its factorization.
54022128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434 (or 231 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 54022128 is about 7349.9746938340. The cubic root of 54022128 is about 378.0279366828.
The spelling of 54022128 in words is "fifty-four million, twenty-two thousand, one hundred twenty-eight".
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