Base | Representation |
---|---|
bin | 111001011110… |
… | …0100001110100 |
3 | 2002200212210121 |
4 | 1302330201310 |
5 | 30203213330 |
6 | 2553501324 |
7 | 514056250 |
oct | 162744164 |
9 | 62625717 |
10 | 30132340 |
11 | 16010967 |
12 | a111844 |
13 | 63202b4 |
14 | 4005260 |
15 | 29a317a |
hex | 1cbc874 |
30132340 has 48 divisors (see below), whose sum is σ = 73067904. Its totient is φ = 10224000.
The previous prime is 30132269. The next prime is 30132359. The reversal of 30132340 is 4323103.
It is a congruent number.
It is an unprimeable number.
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, 13075 + ... + 15205.
It is an arithmetic number, because the mean of its divisors is an integer number (1522248).
Almost surely, 230132340 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 30132340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36533952).
30132340 is an abundant number, since it is smaller than the sum of its proper divisors (42935564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30132340 is a wasteful number, since it uses less digits than its factorization.
30132340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2248 (or 2246 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30132340 is about 5489.2932149777. The cubic root of 30132340 is about 311.1794816667.
Adding to 30132340 its reverse (4323103), we get a palindrome (34455443).
The spelling of 30132340 in words is "thirty million, one hundred thirty-two thousand, three hundred forty".
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