Base | Representation |
---|---|
bin | 111001101010… |
… | …0110111011110 |
3 | 2002212221112211 |
4 | 1303110313132 |
5 | 30214411110 |
6 | 2555551034 |
7 | 514653013 |
oct | 163246736 |
9 | 62787484 |
10 | 30232030 |
11 | 16079854 |
12 | a15b47a |
13 | 635679a |
14 | 402d70a |
15 | 29c298a |
hex | 1cd4dde |
30232030 has 16 divisors (see below), whose sum is σ = 54501984. Its totient is φ = 12074080.
The previous prime is 30232009. The next prime is 30232039. The reversal of 30232030 is 3023203.
It is a self number, because there is not a number n which added to its sum of digits gives 30232030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30232039) 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, 5775 + ... + 9685.
It is an arithmetic number, because the mean of its divisors is an integer number (3406374).
Almost surely, 230232030 is an apocalyptic number.
30232030 is a deficient number, since it is larger than the sum of its proper divisors (24269954).
30232030 is a wasteful number, since it uses less digits than its factorization.
30232030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4691.
The product of its (nonzero) digits is 108, while the sum is 13.
The square root of 30232030 is about 5498.3661209490. The cubic root of 30232030 is about 311.5222732181.
Adding to 30232030 its reverse (3023203), we get a palindrome (33255233).
The spelling of 30232030 in words is "thirty million, two hundred thirty-two thousand, thirty".
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