Base | Representation |
---|---|
bin | 11001011001010… |
… | …01010010001000 |
3 | 112211212001020220 |
4 | 30230221102020 |
5 | 414013430044 |
6 | 33045550040 |
7 | 5164503534 |
oct | 1454512210 |
9 | 484761226 |
10 | 213030024 |
11 | aa282679 |
12 | 5b415320 |
13 | 3519a08c |
14 | 20414bc4 |
15 | 13a80019 |
hex | cb29488 |
213030024 has 32 divisors (see below), whose sum is σ = 534306240. Its totient is φ = 70779200.
The previous prime is 213030011. The next prime is 213030029. The reversal of 213030024 is 420030312.
It is a super-2 number, since 2×2130300242 = 90763582250881152, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213029985 and 213030012.
It is not an unprimeable number, because it can be changed into a prime (213030029) 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 7 ways as a sum of consecutive naturals, for example, 6807 + ... + 21734.
It is an arithmetic number, because the mean of its divisors is an integer number (16697070).
Almost surely, 2213030024 is an apocalyptic number.
213030024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
213030024 is an abundant number, since it is smaller than the sum of its proper divisors (321276216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213030024 is a wasteful number, since it uses less digits than its factorization.
213030024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28861 (or 28857 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 213030024 is about 14595.5480883727. The cubic root of 213030024 is about 597.2373210882.
Adding to 213030024 its reverse (420030312), we get a palindrome (633060336).
The spelling of 213030024 in words is "two hundred thirteen million, thirty thousand, twenty-four".
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