Base | Representation |
---|---|
bin | 111001101010… |
… | …0011100110000 |
3 | 2002212212012111 |
4 | 1303110130300 |
5 | 30214332240 |
6 | 2555535104 |
7 | 514645021 |
oct | 163243460 |
9 | 62785174 |
10 | 30230320 |
11 | 1607853a |
12 | a15a494 |
13 | 6355a83 |
14 | 402cc48 |
15 | 29c21ea |
hex | 1cd4730 |
30230320 has 40 divisors (see below), whose sum is σ = 70526736. Its totient is φ = 12050688.
The previous prime is 30230297. The next prime is 30230323. The reversal of 30230320 is 2303203.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 30230320.
It is not an unprimeable number, because it can be changed into a prime (30230323) 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, 35014 + ... + 35866.
Almost surely, 230230320 is an apocalyptic number.
It is an amenable number.
30230320 is an abundant number, since it is smaller than the sum of its proper divisors (40296416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230320 is a wasteful number, since it uses less digits than its factorization.
30230320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1309 (or 1303 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 13.
The square root of 30230320 is about 5498.2106180102. The cubic root of 30230320 is about 311.5163996117.
Adding to 30230320 its reverse (2303203), we get a palindrome (32533523).
The spelling of 30230320 in words is "thirty million, two hundred thirty thousand, three hundred twenty".
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