Base | Representation |
---|---|
bin | 100110100110… |
… | …1110100010100 |
3 | 1102002101101000 |
4 | 1031031310110 |
5 | 20140213214 |
6 | 2001503300 |
7 | 334023441 |
oct | 115156424 |
9 | 42071330 |
10 | 20241684 |
11 | 10475971 |
12 | 6941b30 |
13 | 4269438 |
14 | 298c9c8 |
15 | 1b9c809 |
hex | 134dd14 |
20241684 has 24 divisors (see below), whose sum is σ = 52478720. Its totient is φ = 6747192.
The previous prime is 20241677. The next prime is 20241709. The reversal of 20241684 is 48614202.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93604 + ... + 93819.
Almost surely, 220241684 is an apocalyptic number.
It is an amenable number.
20241684 is an abundant number, since it is smaller than the sum of its proper divisors (32237036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20241684 is a wasteful number, since it uses less digits than its factorization.
20241684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187436 (or 187428 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 20241684 is about 4499.0759051165. The cubic root of 20241684 is about 272.5307722733.
Adding to 20241684 its reverse (48614202), we get a palindrome (68855886).
It can be divided in two parts, 202416 and 84, that added together give a square (202500 = 4502).
The spelling of 20241684 in words is "twenty million, two hundred forty-one thousand, six hundred eighty-four".
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