Base | Representation |
---|---|
bin | 101110011001… |
… | …0010001000100 |
3 | 1200202202002001 |
4 | 1130302101010 |
5 | 22211320030 |
6 | 2225155044 |
7 | 413512642 |
oct | 134622104 |
9 | 50682061 |
10 | 24323140 |
11 | 12803376 |
12 | 818ba84 |
13 | 50680ba |
14 | 3332192 |
15 | 2206cca |
hex | 1732444 |
24323140 has 24 divisors (see below), whose sum is σ = 51918552. Its totient is φ = 9569280.
The previous prime is 24323119. The next prime is 24323147. The reversal of 24323140 is 4132342.
It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 23736384 = 766^2 + 4872^2 .
It is not an unprimeable number, because it can be changed into a prime (24323147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8749 + ... + 11188.
It is an arithmetic number, because the mean of its divisors is an integer number (2163273).
Almost surely, 224323140 is an apocalyptic number.
24323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24323140 is an abundant number, since it is smaller than the sum of its proper divisors (27595412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24323140 is a wasteful number, since it uses less digits than its factorization.
24323140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20007 (or 20005 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 24323140 is about 4931.8495516388. The cubic root of 24323140 is about 289.7387262314.
Adding to 24323140 its reverse (4132342), we get a palindrome (28455482).
The spelling of 24323140 in words is "twenty-four million, three hundred twenty-three thousand, one hundred forty".
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