Base | Representation |
---|---|
bin | 101111101010… |
… | …0110011111000 |
3 | 1202000120100120 |
4 | 1133110303320 |
5 | 22344121140 |
6 | 2251333240 |
7 | 422254665 |
oct | 137246370 |
9 | 52016316 |
10 | 24988920 |
11 | 13118600 |
12 | 8451220 |
13 | 523c158 |
14 | 3466a6c |
15 | 22d91d0 |
hex | 17d4cf8 |
24988920 has 96 divisors (see below), whose sum is σ = 82449360. Its totient is φ = 6054400.
The previous prime is 24988907. The next prime is 24988927. The reversal of 24988920 is 2988942.
It is a super-2 number, since 2×249889202 = 1248892245532800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24988927) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13660 + ... + 15380.
Almost surely, 224988920 is an apocalyptic number.
24988920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 24988920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41224680).
24988920 is an abundant number, since it is smaller than the sum of its proper divisors (57460440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24988920 is a wasteful number, since it uses less digits than its factorization.
24988920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1757 (or 1742 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 24988920 is about 4998.8918772064. The cubic root of 24988920 is about 292.3585699493.
The spelling of 24988920 in words is "twenty-four million, nine hundred eighty-eight thousand, nine hundred twenty".
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