Base | Representation |
---|---|
bin | 101000101100… |
… | …0000000101010 |
3 | 1111010210000110 |
4 | 1101120000222 |
5 | 20430111020 |
6 | 2041115150 |
7 | 346214310 |
oct | 121300052 |
9 | 44123013 |
10 | 21332010 |
11 | 11050067 |
12 | 7188ab6 |
13 | 455b7bb |
14 | 2b940b0 |
15 | 1d158e0 |
hex | 145802a |
21332010 has 32 divisors (see below), whose sum is σ = 58511232. Its totient is φ = 4875840.
The previous prime is 21332009. The next prime is 21332029. The reversal of 21332010 is 1023312.
It is a happy 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, 50581 + ... + 51000.
It is an arithmetic number, because the mean of its divisors is an integer number (1828476).
Almost surely, 221332010 is an apocalyptic number.
21332010 is an abundant number, since it is smaller than the sum of its proper divisors (37179222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21332010 is a wasteful number, since it uses less digits than its factorization.
21332010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101598.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 21332010 is about 4618.6588962598. The cubic root of 21332010 is about 277.3387749461.
Adding to 21332010 its reverse (1023312), we get a palindrome (22355322).
It can be divided in two parts, 213 and 32010, that added together give a palindrome (32223).
The spelling of 21332010 in words is "twenty-one million, three hundred thirty-two thousand, ten".
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