Base | Representation |
---|---|
bin | 101101111111… |
… | …000000010001 |
3 | 211200102201122 |
4 | 231333000101 |
5 | 11041221140 |
6 | 1110212025 |
7 | 204314306 |
oct | 55770021 |
9 | 24612648 |
10 | 12054545 |
11 | 6893838 |
12 | 4054015 |
13 | 2660a89 |
14 | 185b0ad |
15 | 10d1ab5 |
hex | b7f011 |
12054545 has 8 divisors (see below), whose sum is σ = 14484096. Its totient is φ = 9631216.
The previous prime is 12054527. The next prime is 12054551. The reversal of 12054545 is 54545021.
12054545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 12054545 - 222 = 7860241 is a prime.
It is a Duffinian number.
12054545 is a modest number, since divided by 4545 gives 1205 as remainder.
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, 6824 + ... + 8406.
It is an arithmetic number, because the mean of its divisors is an integer number (1810512).
Almost surely, 212054545 is an apocalyptic number.
It is an amenable number.
12054545 is a deficient number, since it is larger than the sum of its proper divisors (2429551).
12054545 is a wasteful number, since it uses less digits than its factorization.
12054545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3111.
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 12054545 is about 3471.9655816266. The cubic root of 12054545 is about 229.2892044753.
Adding to 12054545 its reverse (54545021), we get a palindrome (66599566).
The spelling of 12054545 in words is "twelve million, fifty-four thousand, five hundred forty-five".
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