Base | Representation |
---|---|
bin | 101110100000… |
… | …0011000111100 |
3 | 1200212200102120 |
4 | 1131000120330 |
5 | 22220142423 |
6 | 2230322540 |
7 | 414143412 |
oct | 135003074 |
9 | 50780376 |
10 | 24380988 |
11 | 12842885 |
12 | 81b9450 |
13 | 5088528 |
14 | 33492b2 |
15 | 2218ee3 |
hex | 174063c |
24380988 has 12 divisors (see below), whose sum is σ = 56889000. Its totient is φ = 8126992.
The previous prime is 24380987. The next prime is 24380999. The reversal of 24380988 is 88908342.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×243809882 = 1188865151712288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24380987) 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 3 ways as a sum of consecutive naturals, for example, 1015863 + ... + 1015886.
It is an arithmetic number, because the mean of its divisors is an integer number (4740750).
Almost surely, 224380988 is an apocalyptic number.
It is an amenable number.
24380988 is an abundant number, since it is smaller than the sum of its proper divisors (32508012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24380988 is a wasteful number, since it uses less digits than its factorization.
24380988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2031756 (or 2031754 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 24380988 is about 4937.7108056264. The cubic root of 24380988 is about 289.9682406758.
The spelling of 24380988 in words is "twenty-four million, three hundred eighty thousand, nine hundred eighty-eight".
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