Base | Representation |
---|---|
bin | 1101001000001… |
… | …1011010001101 |
3 | 10211121112220000 |
4 | 3102003122031 |
5 | 103044023310 |
6 | 5244114513 |
7 | 1236016020 |
oct | 322033215 |
9 | 124545800 |
10 | 55064205 |
11 | 2909a609 |
12 | 16535a39 |
13 | b53c491 |
14 | 74551b7 |
15 | 4c7a4c0 |
hex | 348368d |
55064205 has 40 divisors (see below), whose sum is σ = 112814592. Its totient is φ = 25170912.
The previous prime is 55064203. The next prime is 55064227. The reversal of 55064205 is 50246055.
It is not a de Polignac number, because 55064205 - 21 = 55064203 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55064203) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6877 + ... + 12546.
Almost surely, 255064205 is an apocalyptic number.
It is an amenable number.
55064205 is an abundant number, since it is smaller than the sum of its proper divisors (57750387).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55064205 is a wasteful number, since it uses less digits than its factorization.
55064205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19447 (or 19438 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 55064205 is about 7420.5259247576. The cubic root of 55064205 is about 380.4431694780.
The spelling of 55064205 in words is "fifty-five million, sixty-four thousand, two hundred five".
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