Base | Representation |
---|---|
bin | 100110100110… |
… | …0101011100011 |
3 | 1102002010222112 |
4 | 1031030223203 |
5 | 20140041102 |
6 | 2001425535 |
7 | 334004036 |
oct | 115145343 |
9 | 42063875 |
10 | 20237027 |
11 | 10472418 |
12 | 693b2ab |
13 | 4267295 |
14 | 298b01d |
15 | 1b9b252 |
hex | 134cae3 |
20237027 has 4 divisors (see below), whose sum is σ = 20328000. Its totient is φ = 20146056.
The previous prime is 20237003. The next prime is 20237029. The reversal of 20237027 is 72073202.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20237027 - 28 = 20236771 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20236993 and 20237011.
It is not an unprimeable number, because it can be changed into a prime (20237029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45152 + ... + 45597.
It is an arithmetic number, because the mean of its divisors is an integer number (5082000).
Almost surely, 220237027 is an apocalyptic number.
20237027 is a deficient number, since it is larger than the sum of its proper divisors (90973).
20237027 is an equidigital number, since it uses as much as digits as its factorization.
20237027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90972.
The product of its (nonzero) digits is 1176, while the sum is 23.
The square root of 20237027 is about 4498.5583246191. The cubic root of 20237027 is about 272.5098703043.
The spelling of 20237027 in words is "twenty million, two hundred thirty-seven thousand, twenty-seven".
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