Base | Representation |
---|---|
bin | 11111110011111010001 |
3 | 1221221212212 |
4 | 3332133101 |
5 | 231324020 |
6 | 34201505 |
7 | 11601011 |
oct | 3763721 |
9 | 1857785 |
10 | 1042385 |
11 | 652183 |
12 | 423295 |
13 | 2a65c6 |
14 | 1d1c41 |
15 | 158cc5 |
hex | fe7d1 |
1042385 has 8 divisors (see below), whose sum is σ = 1259520. Its totient is φ = 828144.
The previous prime is 1042381. The next prime is 1042399. The reversal of 1042385 is 5832401.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1042385 - 22 = 1042381 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1042385.
It is not an unprimeable number, because it can be changed into a prime (1042381) 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, 176 + ... + 1454.
It is an arithmetic number, because the mean of its divisors is an integer number (157440).
21042385 is an apocalyptic number.
It is an amenable number.
1042385 is a deficient number, since it is larger than the sum of its proper divisors (217135).
1042385 is a wasteful number, since it uses less digits than its factorization.
1042385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1447.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1042385 is about 1020.9725755377. The cubic root of 1042385 is about 101.3933294970.
Adding to 1042385 its reverse (5832401), we get a palindrome (6874786).
The spelling of 1042385 in words is "one million, forty-two thousand, three hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •