Base | Representation |
---|---|
bin | 111001011100… |
… | …1001101101100 |
3 | 2002200012011210 |
4 | 1302321031230 |
5 | 30202300024 |
6 | 2553314420 |
7 | 514001544 |
oct | 162711554 |
9 | 62605153 |
10 | 30118764 |
11 | 16001745 |
12 | a105a10 |
13 | 6317070 |
14 | 4000324 |
15 | 299e129 |
hex | 1cb936c |
30118764 has 96 divisors (see below), whose sum is σ = 82385856. Its totient is φ = 8478720.
The previous prime is 30118729. The next prime is 30118783. The reversal of 30118764 is 46781103.
It is a happy 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, 108594 + ... + 108870.
It is an arithmetic number, because the mean of its divisors is an integer number (858186).
Almost surely, 230118764 is an apocalyptic number.
30118764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30118764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41192928).
30118764 is an abundant number, since it is smaller than the sum of its proper divisors (52267092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30118764 is a wasteful number, since it uses less digits than its factorization.
30118764 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355 (or 353 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 30118764 is about 5488.0564865898. The cubic root of 30118764 is about 311.1327411076.
Adding to 30118764 its reverse (46781103), we get a palindrome (76899867).
The spelling of 30118764 in words is "thirty million, one hundred eighteen thousand, seven hundred sixty-four".
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