Base | Representation |
---|---|
bin | 101110000000… |
… | …0101110011100 |
3 | 1200101102201111 |
4 | 1130000232130 |
5 | 22133321340 |
6 | 2220551404 |
7 | 412006225 |
oct | 134005634 |
9 | 50342644 |
10 | 24120220 |
11 | 12684973 |
12 | 80b2564 |
13 | 4cc6927 |
14 | 32bc24c |
15 | 21b6aea |
hex | 1700b9c |
24120220 has 24 divisors (see below), whose sum is σ = 51027984. Its totient is φ = 9576576.
The previous prime is 24120211. The next prime is 24120223. The reversal of 24120220 is 2202142.
It is a self number, because there is not a number n which added to its sum of digits gives 24120220.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24120223) 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, 1662 + ... + 7141.
It is an arithmetic number, because the mean of its divisors is an integer number (2126166).
Almost surely, 224120220 is an apocalyptic number.
24120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24120220 is an abundant number, since it is smaller than the sum of its proper divisors (26907764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24120220 is a wasteful number, since it uses less digits than its factorization.
24120220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8949 (or 8947 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 24120220 is about 4911.2340608039. The cubic root of 24120220 is about 288.9307433331.
Adding to 24120220 its reverse (2202142), we get a palindrome (26322362).
The spelling of 24120220 in words is "twenty-four million, one hundred twenty thousand, two hundred twenty".
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