Base | Representation |
---|---|
bin | 11010100111001… |
… | …00000000001101 |
3 | 120120001100202100 |
4 | 31103210000031 |
5 | 424121411023 |
6 | 34052345313 |
7 | 5350304124 |
oct | 1523440015 |
9 | 516040670 |
10 | 223232013 |
11 | 105010574 |
12 | 62915239 |
13 | 3732c864 |
14 | 2190cabb |
15 | 148e7c43 |
hex | d4e400d |
223232013 has 12 divisors (see below), whose sum is σ = 322622560. Its totient is φ = 148739976.
The previous prime is 223232011. The next prime is 223232039. The reversal of 223232013 is 310232322.
It is a happy number.
It is not a de Polignac number, because 223232013 - 21 = 223232011 is a prime.
It is a super-3 number, since 3×2232320133 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223232011) 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 11 ways as a sum of consecutive naturals, for example, 13920 + ... + 25302.
Almost surely, 2223232013 is an apocalyptic number.
It is an amenable number.
223232013 is a deficient number, since it is larger than the sum of its proper divisors (99390547).
223232013 is a wasteful number, since it uses less digits than its factorization.
223232013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13568 (or 13565 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 223232013 is about 14940.9508733547. The cubic root of 223232013 is about 606.6229339257.
Adding to 223232013 its reverse (310232322), we get a palindrome (533464335).
It can be divided in two parts, 22323 and 2013, that added together give a square (24336 = 1562).
The spelling of 223232013 in words is "two hundred twenty-three million, two hundred thirty-two thousand, thirteen".
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