Base | Representation |
---|---|
bin | 100011111110… |
… | …0010011101001 |
3 | 1022111011000102 |
4 | 1013330103221 |
5 | 14311443431 |
6 | 1512115145 |
7 | 316205132 |
oct | 107742351 |
9 | 38434012 |
10 | 18859241 |
11 | a711255 |
12 | 6395ab5 |
13 | 3ba411b |
14 | 270cc89 |
15 | 19c7dcb |
hex | 11fc4e9 |
18859241 has 8 divisors (see below), whose sum is σ = 20137920. Its totient is φ = 17618832.
The previous prime is 18859231. The next prime is 18859259. The reversal of 18859241 is 14295881.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18859241 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18859195 and 18859204.
It is not an unprimeable number, because it can be changed into a prime (18859201) 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, 8546 + ... + 10523.
It is an arithmetic number, because the mean of its divisors is an integer number (2517240).
Almost surely, 218859241 is an apocalyptic number.
It is an amenable number.
18859241 is a deficient number, since it is larger than the sum of its proper divisors (1278679).
18859241 is a wasteful number, since it uses less digits than its factorization.
18859241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19135.
The product of its digits is 23040, while the sum is 38.
The square root of 18859241 is about 4342.7227634285. The cubic root of 18859241 is about 266.1795808096.
The spelling of 18859241 in words is "eighteen million, eight hundred fifty-nine thousand, two hundred forty-one".
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