Base | Representation |
---|---|
bin | 11001011010100… |
… | …11001001111010 |
3 | 112212011202111222 |
4 | 30231103021322 |
5 | 414034422110 |
6 | 33053352042 |
7 | 5166116543 |
oct | 1455231172 |
9 | 485152458 |
10 | 213201530 |
11 | aa38a513 |
12 | 5b498622 |
13 | 3522a169 |
14 | 2045b4ca |
15 | 13ab5c55 |
hex | cb5327a |
213201530 has 16 divisors (see below), whose sum is σ = 385909920. Its totient is φ = 84803472.
The previous prime is 213201509. The next prime is 213201553. The reversal of 213201530 is 35102312.
It is a junction number, because it is equal to n+sod(n) for n = 213201499 and 213201508.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57764 + ... + 61343.
It is an arithmetic number, because the mean of its divisors is an integer number (24119370).
Almost surely, 2213201530 is an apocalyptic number.
213201530 is a deficient number, since it is larger than the sum of its proper divisors (172708390).
213201530 is a wasteful number, since it uses less digits than its factorization.
213201530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119293.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 213201530 is about 14601.4221910059. The cubic root of 213201530 is about 597.3975525059.
Adding to 213201530 its reverse (35102312), we get a palindrome (248303842).
The spelling of 213201530 in words is "two hundred thirteen million, two hundred one thousand, five hundred thirty".
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