Base | Representation |
---|---|
bin | 111101011100000011111 |
3 | 10210021121112 |
4 | 13223200133 |
5 | 1003410330 |
6 | 111052235 |
7 | 23053301 |
oct | 7534037 |
9 | 3707545 |
10 | 2013215 |
11 | 1155616 |
12 | 81107b |
13 | 556469 |
14 | 3a5971 |
15 | 29b795 |
hex | 1eb81f |
2013215 has 8 divisors (see below), whose sum is σ = 2434320. Its totient is φ = 1598272.
The previous prime is 2013197. The next prime is 2013227. The reversal of 2013215 is 5123102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2013215 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2013215.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 2154.
It is an arithmetic number, because the mean of its divisors is an integer number (304290).
22013215 is an apocalyptic number.
2013215 is a deficient number, since it is larger than the sum of its proper divisors (421105).
2013215 is a wasteful number, since it uses less digits than its factorization.
2013215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3081.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 2013215 is about 1418.8780779193. The cubic root of 2013215 is about 126.2689936460.
Adding to 2013215 its reverse (5123102), we get a palindrome (7136317).
The spelling of 2013215 in words is "two million, thirteen thousand, two hundred fifteen".
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