Base | Representation |
---|---|
bin | 11111110011010111001 |
3 | 1221221111111 |
4 | 3332122321 |
5 | 231321410 |
6 | 34200321 |
7 | 11600131 |
oct | 3763271 |
9 | 1857444 |
10 | 1042105 |
11 | 651a49 |
12 | 4230a1 |
13 | 2a643c |
14 | 1d1ac1 |
15 | 158b8a |
hex | fe6b9 |
1042105 has 16 divisors (see below), whose sum is σ = 1324224. Its totient is φ = 786240.
The previous prime is 1042103. The next prime is 1042109. The reversal of 1042105 is 5012401.
It is not a de Polignac number, because 1042105 - 21 = 1042103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1042103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7890 + ... + 8020.
It is an arithmetic number, because the mean of its divisors is an integer number (82764).
21042105 is an apocalyptic number.
It is an amenable number.
1042105 is a deficient number, since it is larger than the sum of its proper divisors (282119).
1042105 is a wasteful number, since it uses less digits than its factorization.
1042105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 1042105 is about 1020.8354421747. The cubic root of 1042105 is about 101.3842501023.
Adding to 1042105 its reverse (5012401), we get a palindrome (6054506).
It can be divided in two parts, 104 and 2105, that added together give a square (2209 = 472).
The spelling of 1042105 in words is "one million, forty-two thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •