Base | Representation |
---|---|
bin | 11001011001001… |
… | …11100100110110 |
3 | 112211211200122212 |
4 | 30230213210312 |
5 | 414013214110 |
6 | 33045453422 |
7 | 5164444253 |
oct | 1454474466 |
9 | 484750585 |
10 | 213023030 |
11 | aa2783a0 |
12 | 5b411272 |
13 | 35196b3c |
14 | 2041242a |
15 | 13a7ce05 |
hex | cb27936 |
213023030 has 32 divisors (see below), whose sum is σ = 421521408. Its totient is φ = 76866400.
The previous prime is 213022991. The next prime is 213023051. The reversal of 213023030 is 30320312.
It is a super-2 number, since 2×2130230302 = 90757622620761800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213022996 and 213023014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7019 + ... + 21801.
It is an arithmetic number, because the mean of its divisors is an integer number (13172544).
Almost surely, 2213023030 is an apocalyptic number.
213023030 is a deficient number, since it is larger than the sum of its proper divisors (208498378).
213023030 is a wasteful number, since it uses less digits than its factorization.
213023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14932.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 213023030 is about 14595.3084928000. The cubic root of 213023030 is about 597.2307850400.
Adding to 213023030 its reverse (30320312), we get a palindrome (243343342).
The spelling of 213023030 in words is "two hundred thirteen million, twenty-three thousand, thirty".
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