Base | Representation |
---|---|
bin | 1000011100011010001001 |
3 | 11011110100222 |
4 | 20130122021 |
5 | 1031313023 |
6 | 115235425 |
7 | 24546251 |
oct | 10343211 |
9 | 4143328 |
10 | 2213513 |
11 | 1282055 |
12 | 8a8b75 |
13 | 5c6693 |
14 | 418961 |
15 | 2dacc8 |
hex | 21c689 |
2213513 has 4 divisors (see below), whose sum is σ = 2220240. Its totient is φ = 2206788.
The previous prime is 2213489. The next prime is 2213531. The reversal of 2213513 is 3153122.
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 2213513 - 220 = 1164937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2213491 and 2213500.
It is not an unprimeable number, because it can be changed into a prime (2213593) 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, 2843 + ... + 3536.
It is an arithmetic number, because the mean of its divisors is an integer number (555060).
22213513 is an apocalyptic number.
It is an amenable number.
2213513 is a deficient number, since it is larger than the sum of its proper divisors (6727).
2213513 is an equidigital number, since it uses as much as digits as its factorization.
2213513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6726.
The product of its digits is 180, while the sum is 17.
The square root of 2213513 is about 1487.7879553216. The cubic root of 2213513 is about 130.3248875828.
Adding to 2213513 its reverse (3153122), we get a palindrome (5366635).
The spelling of 2213513 in words is "two million, two hundred thirteen thousand, five hundred thirteen".
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