Base | Representation |
---|---|
bin | 1101001010000… |
… | …0001101111001 |
3 | 10211211112202020 |
4 | 3102200031321 |
5 | 103111312301 |
6 | 5250425053 |
7 | 1240020024 |
oct | 322401571 |
9 | 124745666 |
10 | 55182201 |
11 | 29170228 |
12 | 16592189 |
13 | b5810b9 |
14 | 74861bb |
15 | 4ca0436 |
hex | 34a0379 |
55182201 has 16 divisors (see below), whose sum is σ = 77721600. Its totient is φ = 34770960.
The previous prime is 55182199. The next prime is 55182209. The reversal of 55182201 is 10228155.
It is not a de Polignac number, because 55182201 - 21 = 55182199 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (55182209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901 + ... + 10898.
It is an arithmetic number, because the mean of its divisors is an integer number (4857600).
Almost surely, 255182201 is an apocalyptic number.
It is an amenable number.
55182201 is a deficient number, since it is larger than the sum of its proper divisors (22539399).
55182201 is a wasteful number, since it uses less digits than its factorization.
55182201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13876.
The product of its (nonzero) digits is 800, while the sum is 24.
The square root of 55182201 is about 7428.4723193938. The cubic root of 55182201 is about 380.7147236584.
The spelling of 55182201 in words is "fifty-five million, one hundred eighty-two thousand, two hundred one".
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