Base | Representation |
---|---|
bin | 111101010011110100001 |
3 | 10210001211011 |
4 | 13222132201 |
5 | 1003241433 |
6 | 111020521 |
7 | 23035060 |
oct | 7523641 |
9 | 3701734 |
10 | 2008993 |
11 | 1152428 |
12 | 80a741 |
13 | 55456c |
14 | 3a41d7 |
15 | 29a3cd |
hex | 1ea7a1 |
2008993 has 4 divisors (see below), whose sum is σ = 2296000. Its totient is φ = 1721988.
The previous prime is 2008973. The next prime is 2009011. The reversal of 2008993 is 3998002.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2008993 - 25 = 2008961 is a prime.
2008993 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2008933) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143493 + ... + 143506.
It is an arithmetic number, because the mean of its divisors is an integer number (574000).
22008993 is an apocalyptic number.
It is an amenable number.
2008993 is a deficient number, since it is larger than the sum of its proper divisors (287007).
2008993 is an equidigital number, since it uses as much as digits as its factorization.
2008993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287006.
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 2008993 is about 1417.3895018660. The cubic root of 2008993 is about 126.1806638197.
The spelling of 2008993 in words is "two million, eight thousand, nine hundred ninety-three".
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