Base | Representation |
---|---|
bin | 1100111000000… |
… | …0000100110001 |
3 | 10202121120202221 |
4 | 3032000010301 |
5 | 102311030334 |
6 | 5205241041 |
7 | 1224003100 |
oct | 316000461 |
9 | 122546687 |
10 | 54001969 |
11 | 2853452a |
12 | 16103181 |
13 | b259b38 |
14 | 725a037 |
15 | 4b1a8b4 |
hex | 3380131 |
54001969 has 24 divisors (see below), whose sum is σ = 65868288. Its totient is φ = 44089920.
The previous prime is 54001963. The next prime is 54001993. The reversal of 54001969 is 96910045.
It is not a de Polignac number, because 54001969 - 217 = 53870897 is a prime.
It is a super-2 number, since 2×540019692 = 5832425311753922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54001963) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110644 + ... + 111130.
It is an arithmetic number, because the mean of its divisors is an integer number (2744512).
Almost surely, 254001969 is an apocalyptic number.
It is an amenable number.
54001969 is a deficient number, since it is larger than the sum of its proper divisors (11866319).
54001969 is a wasteful number, since it uses less digits than its factorization.
54001969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605 (or 598 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 34.
The square root of 54001969 is about 7348.6032006089. The cubic root of 54001969 is about 377.9809089581.
The spelling of 54001969 in words is "fifty-four million, one thousand, nine hundred sixty-nine".
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