Base | Representation |
---|---|
bin | 100110111101… |
… | …001111101010 |
3 | 201012211200110 |
4 | 212331033222 |
5 | 10103243310 |
6 | 1002515150 |
7 | 152542362 |
oct | 46751752 |
9 | 21184613 |
10 | 10212330 |
11 | 5845747 |
12 | 3505ab6 |
13 | 21673cb |
14 | 14db9a2 |
15 | d6ad20 |
hex | 9bd3ea |
10212330 has 64 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 2583360.
The previous prime is 10212317. The next prime is 10212353. The reversal of 10212330 is 3321201.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73401 + ... + 73539.
It is an arithmetic number, because the mean of its divisors is an integer number (403200).
Almost surely, 210212330 is an apocalyptic number.
10212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10212330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400).
10212330 is an abundant number, since it is smaller than the sum of its proper divisors (15592470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10212330 is a wasteful number, since it uses less digits than its factorization.
10212330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 10212330 is about 3195.6736379048. The cubic root of 10212330 is about 216.9576393064.
Adding to 10212330 its reverse (3321201), we get a palindrome (13533531).
The spelling of 10212330 in words is "ten million, two hundred twelve thousand, three hundred thirty".
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