Base | Representation |
---|---|
bin | 1001001001011100110101 |
3 | 11111211110000 |
4 | 21021130311 |
5 | 1103214010 |
6 | 123221513 |
7 | 26245161 |
oct | 11113465 |
9 | 4454400 |
10 | 2398005 |
11 | 1398725 |
12 | 977899 |
13 | 65c64c |
14 | 465ca1 |
15 | 3257c0 |
hex | 249735 |
2398005 has 40 divisors (see below), whose sum is σ = 4460544. Its totient is φ = 1231200.
The previous prime is 2398001. The next prime is 2398021. The reversal of 2398005 is 5008932.
2398005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2398005 - 22 = 2398001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 2398005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2398001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12460 + ... + 12650.
22398005 is an apocalyptic number.
It is an amenable number.
2398005 is a deficient number, since it is larger than the sum of its proper divisors (2062539).
2398005 is a wasteful number, since it uses less digits than its factorization.
2398005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239 (or 230 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 2398005 is about 1548.5493211390. The cubic root of 2398005 is about 133.8494819899.
The spelling of 2398005 in words is "two million, three hundred ninety-eight thousand, five".
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