Base | Representation |
---|---|
bin | 111100100000101001001 |
3 | 10201201212210 |
4 | 13210011021 |
5 | 1001422133 |
6 | 110255333 |
7 | 22565511 |
oct | 7440511 |
9 | 3651783 |
10 | 1982793 |
11 | 113477a |
12 | 7b7549 |
13 | 545667 |
14 | 398841 |
15 | 292763 |
hex | 1e4149 |
1982793 has 8 divisors (see below), whose sum is σ = 2715328. Its totient is φ = 1286064.
The previous prime is 1982779. The next prime is 1982797. The reversal of 1982793 is 3972891.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1982793 - 28 = 1982537 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (1982797) 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, 8821 + ... + 9042.
It is an arithmetic number, because the mean of its divisors is an integer number (339416).
21982793 is an apocalyptic number.
It is an amenable number.
1982793 is a deficient number, since it is larger than the sum of its proper divisors (732535).
1982793 is a wasteful number, since it uses less digits than its factorization.
1982793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17903.
The product of its digits is 27216, while the sum is 39.
The square root of 1982793 is about 1408.1168275395. The cubic root of 1982793 is about 125.6297394316.
It can be divided in two parts, 1982 and 793, that added together give a triangular number (2775 = T74).
The spelling of 1982793 in words is "one million, nine hundred eighty-two thousand, seven hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •