Base | Representation |
---|---|
bin | 1000100000001111011101 |
3 | 11012020220110 |
4 | 20200033131 |
5 | 1032313323 |
6 | 115440233 |
7 | 24643110 |
oct | 10401735 |
9 | 4166813 |
10 | 2229213 |
11 | 1292928 |
12 | 8b6079 |
13 | 60087c |
14 | 420577 |
15 | 2e0793 |
hex | 2203dd |
2229213 has 32 divisors (see below), whose sum is σ = 3696640. Its totient is φ = 1166400.
The previous prime is 2229169. The next prime is 2229239. The reversal of 2229213 is 3129222.
It is not a de Polignac number, because 2229213 - 210 = 2228189 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a d-powerful number, because it can be written as 28 + 217 + 220 + 93 + 220 + 1 + 3 .
It is a self number, because there is not a number n which added to its sum of digits gives 2229213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2229263) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14688 + ... + 14838.
It is an arithmetic number, because the mean of its divisors is an integer number (115520).
22229213 is an apocalyptic number.
It is an amenable number.
2229213 is a deficient number, since it is larger than the sum of its proper divisors (1467427).
2229213 is a wasteful number, since it uses less digits than its factorization.
2229213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217.
The product of its digits is 432, while the sum is 21.
The square root of 2229213 is about 1493.0549219637. The cubic root of 2229213 is about 130.6322846452.
Subtracting 2229213 from its reverse (3129222), we obtain a palindrome (900009).
It can be divided in two parts, 2229 and 213, that added together give a palindrome (2442).
The spelling of 2229213 in words is "two million, two hundred twenty-nine thousand, two hundred thirteen".
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