Base | Representation |
---|---|
bin | 111010110101… |
… | …0010100110100 |
3 | 2011001001022020 |
4 | 1311222110310 |
5 | 30344003322 |
6 | 3021033140 |
7 | 523112550 |
oct | 165522464 |
9 | 64031266 |
10 | 30844212 |
11 | 16457793 |
12 | a3b57b0 |
13 | 650c319 |
14 | 414c860 |
15 | 2a9405c |
hex | 1d6a534 |
30844212 has 48 divisors (see below), whose sum is σ = 82908672. Its totient is φ = 8742240.
The previous prime is 30844193. The next prime is 30844217. The reversal of 30844212 is 21244803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30844217) 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 15 ways as a sum of consecutive naturals, for example, 9603 + ... + 12405.
It is an arithmetic number, because the mean of its divisors is an integer number (1727264).
Almost surely, 230844212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30844212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41454336).
30844212 is an abundant number, since it is smaller than the sum of its proper divisors (52064460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30844212 is a wasteful number, since it uses less digits than its factorization.
30844212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2948 (or 2946 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 30844212 is about 5553.7565665052. The cubic root of 30844212 is about 313.6109560980.
The spelling of 30844212 in words is "thirty million, eight hundred forty-four thousand, two hundred twelve".
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