Base | Representation |
---|---|
bin | 101101111110… |
… | …1000100000100 |
3 | 1200100200010221 |
4 | 1123331010010 |
5 | 22132331340 |
6 | 2220354124 |
7 | 411614416 |
oct | 133750404 |
9 | 50320127 |
10 | 24105220 |
11 | 12674677 |
12 | 80a5944 |
13 | 4cbcb59 |
14 | 32b69b6 |
15 | 21b244a |
hex | 16fd104 |
24105220 has 24 divisors (see below), whose sum is σ = 50967000. Its totient is φ = 9576192.
The previous prime is 24105209. The next prime is 24105239. The reversal of 24105220 is 2250142.
It can be written as a sum of positive squares in 4 ways, for example, as 1295044 + 22810176 = 1138^2 + 4776^2 .
It is a junction number, because it is equal to n+sod(n) for n = 24105194 and 24105203.
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, 1065 + ... + 7024.
It is an arithmetic number, because the mean of its divisors is an integer number (2123625).
Almost surely, 224105220 is an apocalyptic number.
24105220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24105220 is an abundant number, since it is smaller than the sum of its proper divisors (26861780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24105220 is a wasteful number, since it uses less digits than its factorization.
24105220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8247 (or 8245 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 24105220 is about 4909.7067122182. The cubic root of 24105220 is about 288.8708370267.
Adding to 24105220 its reverse (2250142), we get a palindrome (26355362).
The spelling of 24105220 in words is "twenty-four million, one hundred five thousand, two hundred twenty".
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