Base | Representation |
---|---|
bin | 111010000011… |
… | …0000010010110 |
3 | 2010021011211002 |
4 | 1310012002112 |
5 | 30242332210 |
6 | 3004143302 |
7 | 516452126 |
oct | 164060226 |
9 | 63234732 |
10 | 30433430 |
11 | 161a70a5 |
12 | a237b32 |
13 | 63c7361 |
14 | 4082c86 |
15 | 2a124a5 |
hex | 1d06096 |
30433430 has 16 divisors (see below), whose sum is σ = 54847584. Its totient is φ = 12158400.
The previous prime is 30433423. The next prime is 30433433. The reversal of 30433430 is 3433403.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30433433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10655 + ... + 13205.
It is an arithmetic number, because the mean of its divisors is an integer number (3427974).
Almost surely, 230433430 is an apocalyptic number.
30433430 is a deficient number, since it is larger than the sum of its proper divisors (24414154).
30433430 is a wasteful number, since it uses less digits than its factorization.
30433430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3751.
The product of its (nonzero) digits is 1296, while the sum is 20.
The square root of 30433430 is about 5516.6502517379. The cubic root of 30433430 is about 312.2125099995.
Adding to 30433430 its reverse (3433403), we get a palindrome (33866833).
The spelling of 30433430 in words is "thirty million, four hundred thirty-three thousand, four hundred thirty".
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