Base | Representation |
---|---|
bin | 100011010001… |
… | …0101011101101 |
3 | 1021210111110010 |
4 | 1012202223231 |
5 | 14213222031 |
6 | 1500203433 |
7 | 313115643 |
oct | 106425355 |
9 | 37714403 |
10 | 18492141 |
11 | a490468 |
12 | 6239579 |
13 | 3aa5cc5 |
14 | 2655193 |
15 | 1954246 |
hex | 11a2aed |
18492141 has 16 divisors (see below), whose sum is σ = 26469504. Its totient is φ = 11441664.
The previous prime is 18492137. The next prime is 18492217. The reversal of 18492141 is 14129481.
It is not a de Polignac number, because 18492141 - 22 = 18492137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18492099 and 18492108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18492041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240 + ... + 6206.
It is an arithmetic number, because the mean of its divisors is an integer number (1654344).
Almost surely, 218492141 is an apocalyptic number.
It is an amenable number.
18492141 is a deficient number, since it is larger than the sum of its proper divisors (7977363).
18492141 is a wasteful number, since it uses less digits than its factorization.
18492141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5060.
The product of its digits is 2304, while the sum is 30.
The square root of 18492141 is about 4300.2489462821. The cubic root of 18492141 is about 264.4411672041.
The spelling of 18492141 in words is "eighteen million, four hundred ninety-two thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •