Base | Representation |
---|---|
bin | 111100111001110111001 |
3 | 10202101121000 |
4 | 13213032321 |
5 | 1002330310 |
6 | 110435213 |
7 | 22651245 |
oct | 7471671 |
9 | 3671530 |
10 | 1995705 |
11 | 1143448 |
12 | 802b09 |
13 | 54b4ba |
14 | 39d425 |
15 | 2964c0 |
hex | 1e73b9 |
1995705 has 16 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 1064304.
The previous prime is 1995691. The next prime is 1995709. The reversal of 1995705 is 5075991.
It is a happy number.
It is not a de Polignac number, because 1995705 - 24 = 1995689 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1995705.
It is not an unprimeable number, because it can be changed into a prime (1995709) 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, 7257 + ... + 7526.
It is an arithmetic number, because the mean of its divisors is an integer number (221760).
21995705 is an apocalyptic number.
1995705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1995705 is a deficient number, since it is larger than the sum of its proper divisors (1552455).
1995705 is a wasteful number, since it uses less digits than its factorization.
1995705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14797 (or 14791 counting only the distinct ones).
The product of its (nonzero) digits is 14175, while the sum is 36.
The square root of 1995705 is about 1412.6942344329. The cubic root of 1995705 is about 125.9018510033.
The spelling of 1995705 in words is "one million, nine hundred ninety-five thousand, seven hundred five".
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