Base | Representation |
---|---|
bin | 111001101001… |
… | …0101010100100 |
3 | 2002212111011211 |
4 | 1303102222210 |
5 | 30214114022 |
6 | 2555441204 |
7 | 514614511 |
oct | 163225244 |
9 | 62774154 |
10 | 30223012 |
11 | 16072aa6 |
12 | a156204 |
13 | 6352651 |
14 | 402a308 |
15 | 29bee77 |
hex | 1cd2aa4 |
30223012 has 12 divisors (see below), whose sum is σ = 55190016. Its totient is φ = 14454440.
The previous prime is 30223009. The next prime is 30223019. The reversal of 30223012 is 21032203.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30222983 and 30223001.
It is not an unprimeable number, because it can be changed into a prime (30223019) 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, 164164 + ... + 164347.
It is an arithmetic number, because the mean of its divisors is an integer number (4599168).
Almost surely, 230223012 is an apocalyptic number.
It is an amenable number.
30223012 is a deficient number, since it is larger than the sum of its proper divisors (24967004).
30223012 is a wasteful number, since it uses less digits than its factorization.
30223012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328538 (or 328536 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30223012 is about 5497.5459979886. The cubic root of 30223012 is about 311.4912951766.
Adding to 30223012 its reverse (21032203), we get a palindrome (51255215).
The spelling of 30223012 in words is "thirty million, two hundred twenty-three thousand, twelve".
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