Base | Representation |
---|---|
bin | 100110100110… |
… | …0101111000000 |
3 | 1102002011021201 |
4 | 1031030233000 |
5 | 20140042443 |
6 | 2001430544 |
7 | 334004503 |
oct | 115145700 |
9 | 42064251 |
10 | 20237248 |
11 | 104725a9 |
12 | 693b454 |
13 | 4267405 |
14 | 298b13a |
15 | 1b9b34d |
hex | 134cbc0 |
20237248 has 28 divisors (see below), whose sum is σ = 40403272. Its totient is φ = 10056960.
The previous prime is 20237237. The next prime is 20237249. The reversal of 20237248 is 84273202.
It is a super-2 number, since 2×202372482 = 819092413227008, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20237249) 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, 10711 + ... + 12457.
It is an arithmetic number, because the mean of its divisors is an integer number (1442974).
Almost surely, 220237248 is an apocalyptic number.
It is an amenable number.
20237248 is a deficient number, since it is larger than the sum of its proper divisors (20166024).
20237248 is a wasteful number, since it uses less digits than its factorization.
20237248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1940 (or 1930 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 20237248 is about 4498.5828879771. The cubic root of 20237248 is about 272.5108622890.
The spelling of 20237248 in words is "twenty million, two hundred thirty-seven thousand, two hundred forty-eight".
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