Base | Representation |
---|---|
bin | 111110010000010110001 |
3 | 10211122100000 |
4 | 13302002301 |
5 | 1010234420 |
6 | 111420213 |
7 | 23224323 |
oct | 7620261 |
9 | 3748300 |
10 | 2039985 |
11 | 1173742 |
12 | 824669 |
13 | 5656bc |
14 | 3b1613 |
15 | 2a4690 |
hex | 1f20b1 |
2039985 has 48 divisors (see below), whose sum is σ = 3878784. Its totient is φ = 1026432.
The previous prime is 2039981. The next prime is 2039993. The reversal of 2039985 is 5899302.
It is not a de Polignac number, because 2039985 - 22 = 2039981 is a prime.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2039981) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27909 + ... + 27981.
It is an arithmetic number, because the mean of its divisors is an integer number (80808).
22039985 is an apocalyptic number.
It is an amenable number.
2039985 is a deficient number, since it is larger than the sum of its proper divisors (1838799).
2039985 is an equidigital number, since it uses as much as digits as its factorization.
2039985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116 (or 104 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 2039985 is about 1428.2804346486. The cubic root of 2039985 is about 126.8262032576.
The spelling of 2039985 in words is "two million, thirty-nine thousand, nine hundred eighty-five".
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