Base | Representation |
---|---|
bin | 101101111110… |
… | …110111110101 |
3 | 211200101222122 |
4 | 231332313311 |
5 | 11041212010 |
6 | 1110205325 |
7 | 204312605 |
oct | 55766765 |
9 | 24611878 |
10 | 12054005 |
11 | 6893397 |
12 | 4053845 |
13 | 2660762 |
14 | 185ac05 |
15 | 10d1855 |
hex | b7edf5 |
12054005 has 8 divisors (see below), whose sum is σ = 14491224. Its totient is φ = 9625600.
The previous prime is 12053981. The next prime is 12054011. The reversal of 12054005 is 50045021.
It can be written as a sum of positive squares in 4 ways, for example, as 3066001 + 8988004 = 1751^2 + 2998^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12054005 - 212 = 12049909 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 5085.
It is an arithmetic number, because the mean of its divisors is an integer number (1811403).
Almost surely, 212054005 is an apocalyptic number.
It is an amenable number.
12054005 is a deficient number, since it is larger than the sum of its proper divisors (2437219).
12054005 is an equidigital number, since it uses as much as digits as its factorization.
12054005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4407.
The product of its (nonzero) digits is 200, while the sum is 17.
The square root of 12054005 is about 3471.8878150079. The cubic root of 12054005 is about 229.2857806486.
Adding to 12054005 its reverse (50045021), we get a palindrome (62099026).
The spelling of 12054005 in words is "twelve million, fifty-four thousand, five".
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