Base | Representation |
---|---|
bin | 101111001111… |
… | …0111110100100 |
3 | 1201121100212220 |
4 | 1132132332210 |
5 | 22320042140 |
6 | 2242512340 |
7 | 420346065 |
oct | 136367644 |
9 | 51540786 |
10 | 24768420 |
11 | 12a87976 |
12 | 83656b0 |
13 | 5192991 |
14 | 340a56c |
15 | 2293bd0 |
hex | 179efa4 |
24768420 has 24 divisors (see below), whose sum is σ = 69351744. Its totient is φ = 6604896.
The previous prime is 24768391. The next prime is 24768427. The reversal of 24768420 is 2486742.
It is a super-2 number, since 2×247684202 = 1226949258592800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (24768427) 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, 206344 + ... + 206463.
It is an arithmetic number, because the mean of its divisors is an integer number (2889656).
Almost surely, 224768420 is an apocalyptic number.
24768420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24768420 is an abundant number, since it is smaller than the sum of its proper divisors (44583324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24768420 is a wasteful number, since it uses less digits than its factorization.
24768420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412819 (or 412817 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 24768420 is about 4976.7881208667. The cubic root of 24768420 is about 291.4961128948.
The spelling of 24768420 in words is "twenty-four million, seven hundred sixty-eight thousand, four hundred twenty".
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