Base | Representation |
---|---|
bin | 101010100000111010001 |
3 | 2121202222111 |
4 | 11110013101 |
5 | 324034410 |
6 | 45505321 |
7 | 14561350 |
oct | 5240721 |
9 | 2552874 |
10 | 1393105 |
11 | 87172a |
12 | 572241 |
13 | 39a12c |
14 | 283997 |
15 | 1c7b8a |
hex | 1541d1 |
1393105 has 16 divisors (see below), whose sum is σ = 1949184. Its totient is φ = 936000.
The previous prime is 1393103. The next prime is 1393121. The reversal of 1393105 is 5013931.
It is not a de Polignac number, because 1393105 - 21 = 1393103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1393103) 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, 1480 + ... + 2230.
It is an arithmetic number, because the mean of its divisors is an integer number (121824).
21393105 is an apocalyptic number.
It is an amenable number.
1393105 is a deficient number, since it is larger than the sum of its proper divisors (556079).
1393105 is an equidigital number, since it uses as much as digits as its factorization.
1393105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816.
The product of its (nonzero) digits is 405, while the sum is 22.
The square root of 1393105 is about 1180.2986910100. The cubic root of 1393105 is about 111.6849404514.
The spelling of 1393105 in words is "one million, three hundred ninety-three thousand, one hundred five".
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