Base | Representation |
---|---|
bin | 111010110011… |
… | …1000011110000 |
3 | 2011000100221200 |
4 | 1311213003300 |
5 | 30343041312 |
6 | 3020451200 |
7 | 523025544 |
oct | 165470360 |
9 | 64010850 |
10 | 30830832 |
11 | 1644872a |
12 | a3a9b00 |
13 | 65061c6 |
14 | 4147a24 |
15 | 2a900dc |
hex | 1d670f0 |
30830832 has 60 divisors (see below), whose sum is σ = 86728824. Its totient is φ = 10224000.
The previous prime is 30830831. The next prime is 30830837. The reversal of 30830832 is 23803803.
It is a junction number, because it is equal to n+sod(n) for n = 30830796 and 30830805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30830831) 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 11 ways as a sum of consecutive naturals, for example, 35718 + ... + 36570.
Almost surely, 230830832 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 30830832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43364412).
30830832 is an abundant number, since it is smaller than the sum of its proper divisors (55897992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30830832 is a wasteful number, since it uses less digits than its factorization.
30830832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1118 (or 1109 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30830832 is about 5552.5518457733. The cubic root of 30830832 is about 313.5656021379.
The spelling of 30830832 in words is "thirty million, eight hundred thirty thousand, eight hundred thirty-two".
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