Base | Representation |
---|---|
bin | 1100111101110… |
… | …1010100010001 |
3 | 10210022222200010 |
4 | 3033131110101 |
5 | 102410241024 |
6 | 5221345133 |
7 | 1230153420 |
oct | 317352421 |
9 | 123288603 |
10 | 54383889 |
11 | 2877546a |
12 | 162681a9 |
13 | b361921 |
14 | 73192b7 |
15 | 4b93b29 |
hex | 33dd511 |
54383889 has 32 divisors (see below), whose sum is σ = 86302720. Its totient is φ = 29808000.
The previous prime is 54383887. The next prime is 54383893. The reversal of 54383889 is 98838345.
It is not a de Polignac number, because 54383889 - 21 = 54383887 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54383881) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90189 + ... + 90789.
It is an arithmetic number, because the mean of its divisors is an integer number (2696960).
Almost surely, 254383889 is an apocalyptic number.
It is an amenable number.
54383889 is a deficient number, since it is larger than the sum of its proper divisors (31918831).
54383889 is a wasteful number, since it uses less digits than its factorization.
54383889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 781.
The product of its digits is 829440, while the sum is 48.
The square root of 54383889 is about 7374.5433078937. The cubic root of 54383889 is about 378.8698856944.
The spelling of 54383889 in words is "fifty-four million, three hundred eighty-three thousand, eight hundred eighty-nine".
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