Base | Representation |
---|---|
bin | 111010110101… |
… | …0101010110110 |
3 | 2011001010020110 |
4 | 1311222222312 |
5 | 30344024442 |
6 | 3021043450 |
7 | 523116633 |
oct | 165525266 |
9 | 64033213 |
10 | 30845622 |
11 | 16458855 |
12 | a3b6586 |
13 | 650cb62 |
14 | 414d18a |
15 | 2a9469c |
hex | 1d6aab6 |
30845622 has 32 divisors (see below), whose sum is σ = 65173248. Its totient is φ = 9712736.
The previous prime is 30845611. The next prime is 30845623. The reversal of 30845622 is 22654803.
It is a self number, because there is not a number n which added to its sum of digits gives 30845622.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30845623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10108 + ... + 12800.
It is an arithmetic number, because the mean of its divisors is an integer number (2036664).
Almost surely, 230845622 is an apocalyptic number.
30845622 is an abundant number, since it is smaller than the sum of its proper divisors (34327626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30845622 is a wasteful number, since it uses less digits than its factorization.
30845622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2804.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 30845622 is about 5553.8835061604. The cubic root of 30845622 is about 313.6157347873.
The spelling of 30845622 in words is "thirty million, eight hundred forty-five thousand, six hundred twenty-two".
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