Base | Representation |
---|---|
bin | 100011010000… |
… | …0111101000101 |
3 | 1021210010201220 |
4 | 1012200331011 |
5 | 14213010221 |
6 | 1500110553 |
7 | 313056210 |
oct | 106407505 |
9 | 37703656 |
10 | 18485061 |
11 | a486111 |
12 | 6235459 |
13 | 3aa2a0a |
14 | 2652777 |
15 | 19520c6 |
hex | 11a0f45 |
18485061 has 16 divisors (see below), whose sum is σ = 28245504. Its totient is φ = 10533744.
The previous prime is 18485057. The next prime is 18485087. The reversal of 18485061 is 16058481.
It is not a de Polignac number, because 18485061 - 22 = 18485057 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18485011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8310 + ... + 10296.
It is an arithmetic number, because the mean of its divisors is an integer number (1765344).
Almost surely, 218485061 is an apocalyptic number.
It is an amenable number.
18485061 is a deficient number, since it is larger than the sum of its proper divisors (9760443).
18485061 is a wasteful number, since it uses less digits than its factorization.
18485061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2440.
The product of its (nonzero) digits is 7680, while the sum is 33.
The square root of 18485061 is about 4299.4256593178. The cubic root of 18485061 is about 264.4074144429.
The spelling of 18485061 in words is "eighteen million, four hundred eighty-five thousand, sixty-one".
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