Base | Representation |
---|---|
bin | 111001010001… |
… | …1101001100010 |
3 | 2002111201000022 |
4 | 1302203221202 |
5 | 30141433214 |
6 | 2551353442 |
7 | 513153200 |
oct | 162435142 |
9 | 62451008 |
10 | 30030434 |
11 | 15a51345 |
12 | a082882 |
13 | 62b5ab5 |
14 | 3dba070 |
15 | 2982d8e |
hex | 1ca3a62 |
30030434 has 24 divisors (see below), whose sum is σ = 52720668. Its totient is φ = 12791520.
The previous prime is 30030419. The next prime is 30030437. The reversal of 30030434 is 43403003.
It can be written as a sum of positive squares in 2 ways, for example, as 25472209 + 4558225 = 5047^2 + 2135^2 .
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 11 ways as a sum of consecutive naturals, for example, 16892 + ... + 18584.
Almost surely, 230030434 is an apocalyptic number.
30030434 is a deficient number, since it is larger than the sum of its proper divisors (22690234).
30030434 is a wasteful number, since it uses less digits than its factorization.
30030434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1890 (or 1883 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 30030434 is about 5480.0031021889. The cubic root of 30030434 is about 310.8282878779.
Adding to 30030434 its reverse (43403003), we get a palindrome (73433437).
The spelling of 30030434 in words is "thirty million, thirty thousand, four hundred thirty-four".
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