Base | Representation |
---|---|
bin | 1100111001000… |
… | …0101000111001 |
3 | 10202202000211211 |
4 | 3032100220321 |
5 | 102320213232 |
6 | 5210523121 |
7 | 1224404644 |
oct | 316205071 |
9 | 122660754 |
10 | 54069817 |
11 | 285804aa |
12 | 161364a1 |
13 | b281999 |
14 | 7276a5b |
15 | 4b30a47 |
hex | 3390a39 |
54069817 has 2 divisors, whose sum is σ = 54069818. Its totient is φ = 54069816.
The previous prime is 54069793. The next prime is 54069889. The reversal of 54069817 is 71896045.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28100601 + 25969216 = 5301^2 + 5096^2 .
It is a cyclic number.
It is not a de Polignac number, because 54069817 - 27 = 54069689 is a prime.
It is a super-3 number, since 3×540698173 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54069817.
It is not a weakly prime, because it can be changed into another prime (54069217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27034908 + 27034909.
It is an arithmetic number, because the mean of its divisors is an integer number (27034909).
Almost surely, 254069817 is an apocalyptic number.
It is an amenable number.
54069817 is a deficient number, since it is larger than the sum of its proper divisors (1).
54069817 is an equidigital number, since it uses as much as digits as its factorization.
54069817 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 54069817 is about 7353.2181390191. The cubic root of 54069817 is about 378.1391409415.
The spelling of 54069817 in words is "fifty-four million, sixty-nine thousand, eight hundred seventeen".
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