Base | Representation |
---|---|
bin | 1001010001010100000101 |
3 | 11120110121220 |
4 | 21101110011 |
5 | 1110231323 |
6 | 124030553 |
7 | 26441112 |
oct | 11212405 |
9 | 4513556 |
10 | 2430213 |
11 | 140a945 |
12 | 992459 |
13 | 6711c6 |
14 | 473909 |
15 | 3300e3 |
hex | 251505 |
2430213 has 4 divisors (see below), whose sum is σ = 3240288. Its totient is φ = 1620140.
The previous prime is 2430173. The next prime is 2430217. The reversal of 2430213 is 3120342.
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 2430213 - 26 = 2430149 is a prime.
It is a D-number.
2430213 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2430192 and 2430201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2430217) 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, 405033 + ... + 405038.
It is an arithmetic number, because the mean of its divisors is an integer number (810072).
22430213 is an apocalyptic number.
It is an amenable number.
2430213 is a deficient number, since it is larger than the sum of its proper divisors (810075).
2430213 is an equidigital number, since it uses as much as digits as its factorization.
2430213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810074.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 2430213 is about 1558.9140450968. The cubic root of 2430213 is about 134.4460704268.
Adding to 2430213 its reverse (3120342), we get a palindrome (5550555).
The spelling of 2430213 in words is "two million, four hundred thirty thousand, two hundred thirteen".
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