Base | Representation |
---|---|
bin | 100110001110… |
… | …100101011010 |
3 | 200212010111221 |
4 | 212032211122 |
5 | 10031134320 |
6 | 554442254 |
7 | 151115233 |
oct | 46164532 |
9 | 20763457 |
10 | 10021210 |
11 | 57250a1 |
12 | 343338a |
13 | 20cb414 |
14 | 148c08a |
15 | d2e3aa |
hex | 98e95a |
10021210 has 8 divisors (see below), whose sum is σ = 18038196. Its totient is φ = 4008480.
The previous prime is 10021163. The next prime is 10021213. The reversal of 10021210 is 1212001.
10021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 10004569 + 16641 = 3163^2 + 129^2 .
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 = 10021193 and 10021202.
It is not an unprimeable number, because it can be changed into a prime (10021213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501051 + ... + 501070.
Almost surely, 210021210 is an apocalyptic number.
10021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10021210 is a deficient number, since it is larger than the sum of its proper divisors (8016986).
10021210 is a wasteful number, since it uses less digits than its factorization.
10021210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1002128.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 10021210 is about 3165.6294792663. The cubic root of 10021210 is about 215.5956799733.
Adding to 10021210 its reverse (1212001), we get a palindrome (11233211).
The spelling of 10021210 in words is "ten million, twenty-one thousand, two hundred ten".
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