Base | Representation |
---|---|
bin | 111001010001… |
… | …1101001100100 |
3 | 2002111201000101 |
4 | 1302203221210 |
5 | 30141433221 |
6 | 2551353444 |
7 | 513153202 |
oct | 162435144 |
9 | 62451011 |
10 | 30030436 |
11 | 15a51347 |
12 | a082884 |
13 | 62b5ab7 |
14 | 3dba072 |
15 | 2982d91 |
hex | 1ca3a64 |
30030436 has 12 divisors (see below), whose sum is σ = 53545212. Its totient is φ = 14731808.
The previous prime is 30030419. The next prime is 30030437. The reversal of 30030436 is 63403003.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 8352100 = 4656^2 + 2890^2 .
It is not an unprimeable number, because it can be changed into a prime (30030437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70615 + ... + 71038.
It is an arithmetic number, because the mean of its divisors is an integer number (4462101).
Almost surely, 230030436 is an apocalyptic number.
It is an amenable number.
30030436 is a deficient number, since it is larger than the sum of its proper divisors (23514776).
30030436 is a wasteful number, since it uses less digits than its factorization.
30030436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141710 (or 141708 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 30030436 is about 5480.0032846705. The cubic root of 30030436 is about 310.8282947782.
Adding to 30030436 its reverse (63403003), we get a palindrome (93433439).
It can be divided in two parts, 300304 and 36, that multiplied together give a square (10810944 = 32882).
The spelling of 30030436 in words is "thirty million, thirty thousand, four hundred thirty-six".
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