Base | Representation |
---|---|
bin | 100110100101… |
… | …1010000101010 |
3 | 1102001212000002 |
4 | 1031023100222 |
5 | 20134344320 |
6 | 2001343002 |
7 | 333651056 |
oct | 115132052 |
9 | 42055002 |
10 | 20231210 |
11 | 1046900a |
12 | 6937a62 |
13 | 426473c |
14 | 2988c66 |
15 | 1b99675 |
hex | 134b42a |
20231210 has 8 divisors (see below), whose sum is σ = 36416196. Its totient is φ = 8092480.
The previous prime is 20231203. The next prime is 20231243. The reversal of 20231210 is 1213202.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 20151121 + 80089 = 4489^2 + 283^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20231191 and 20231200.
It is an unprimeable number.
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, 1011551 + ... + 1011570.
Almost surely, 220231210 is an apocalyptic number.
20231210 is a deficient number, since it is larger than the sum of its proper divisors (16184986).
20231210 is a wasteful number, since it uses less digits than its factorization.
20231210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2023128.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 20231210 is about 4497.9117376845. The cubic root of 20231210 is about 272.4837574136.
Adding to 20231210 its reverse (1213202), we get a palindrome (21444412).
The spelling of 20231210 in words is "twenty million, two hundred thirty-one thousand, two hundred ten".
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