Base | Representation |
---|---|
bin | 1101001010110… |
… | …0011010111001 |
3 | 10211221002022111 |
4 | 3102230122321 |
5 | 103114412220 |
6 | 5251452321 |
7 | 1240315531 |
oct | 322543271 |
9 | 124832274 |
10 | 55232185 |
11 | 291a4838 |
12 | 165b70a1 |
13 | b59aa88 |
14 | 749a4c1 |
15 | 4cb015a |
hex | 34ac6b9 |
55232185 has 8 divisors (see below), whose sum is σ = 66329280. Its totient is φ = 44151984.
The previous prime is 55232179. The next prime is 55232189. The reversal of 55232185 is 58123255.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 55232185 - 217 = 55101113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (55232189) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4684 + ... + 11506.
It is an arithmetic number, because the mean of its divisors is an integer number (8291160).
Almost surely, 255232185 is an apocalyptic number.
It is an amenable number.
55232185 is a deficient number, since it is larger than the sum of its proper divisors (11097095).
55232185 is a wasteful number, since it uses less digits than its factorization.
55232185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8447.
The product of its digits is 12000, while the sum is 31.
The square root of 55232185 is about 7431.8359104598. The cubic root of 55232185 is about 380.8296393474.
The spelling of 55232185 in words is "fifty-five million, two hundred thirty-two thousand, one hundred eighty-five".
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