Base | Representation |
---|---|
bin | 1100111011001… |
… | …1001101100100 |
3 | 10210000020002200 |
4 | 3032303031210 |
5 | 102334231203 |
6 | 5213534500 |
7 | 1225534545 |
oct | 316631544 |
9 | 123006080 |
10 | 54211428 |
11 | 28667937 |
12 | 161a4430 |
13 | b30128b |
14 | 72b24cc |
15 | 4b5c9a3 |
hex | 33b3364 |
54211428 has 18 divisors (see below), whose sum is σ = 137034534. Its totient is φ = 18070464.
The previous prime is 54211397. The next prime is 54211439. The reversal of 54211428 is 82411245.
54211428 is a `hidden beast` number, since 542 + 114 + 2 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 28323684 + 25887744 = 5322^2 + 5088^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 752901 + ... + 752972.
Almost surely, 254211428 is an apocalyptic number.
It is an amenable number.
54211428 is an abundant number, since it is smaller than the sum of its proper divisors (82823106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54211428 is a wasteful number, since it uses less digits than its factorization.
54211428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1505883 (or 1505878 counting only the distinct ones).
The product of its digits is 2560, while the sum is 27.
The square root of 54211428 is about 7362.8410277555. The cubic root of 54211428 is about 378.4689736409.
The spelling of 54211428 in words is "fifty-four million, two hundred eleven thousand, four hundred twenty-eight".
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