Base | Representation |
---|---|
bin | 111001011111… |
… | …1011000101100 |
3 | 2002201110212002 |
4 | 1302333120230 |
5 | 30204102134 |
6 | 2554031432 |
7 | 514135340 |
oct | 162773054 |
9 | 62643762 |
10 | 30144044 |
11 | 16019737 |
12 | a118578 |
13 | 6325718 |
14 | 4009620 |
15 | 29a687e |
hex | 1cbf62c |
30144044 has 48 divisors (see below), whose sum is σ = 62415360. Its totient is φ = 12472320.
The previous prime is 30144029. The next prime is 30144047. The reversal of 30144044 is 44044103.
It is not an unprimeable number, because it can be changed into a prime (30144047) 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, 117164 + ... + 117420.
It is an arithmetic number, because the mean of its divisors is an integer number (1300320).
Almost surely, 230144044 is an apocalyptic number.
It is an amenable number.
30144044 is an abundant number, since it is smaller than the sum of its proper divisors (32271316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30144044 is a wasteful number, since it uses less digits than its factorization.
30144044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 30144044 is about 5490.3591867928. The cubic root of 30144044 is about 311.2197658842.
Adding to 30144044 its reverse (44044103), we get a palindrome (74188147).
The spelling of 30144044 in words is "thirty million, one hundred forty-four thousand, forty-four".
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