Base | Representation |
---|---|
bin | 111001110101… |
… | …0110101111010 |
3 | 2010001112000121 |
4 | 1303222311322 |
5 | 30230301132 |
6 | 3001523454 |
7 | 515506312 |
oct | 163526572 |
9 | 63045017 |
10 | 30322042 |
11 | 16130443 |
12 | a1a358a |
13 | 638874a |
14 | 4054442 |
15 | 29de497 |
hex | 1cead7a |
30322042 has 16 divisors (see below), whose sum is σ = 47478312. Its totient is φ = 14510080.
The previous prime is 30322031. The next prime is 30322049. The reversal of 30322042 is 24022303.
It can be written as a sum of positive squares in 4 ways, for example, as 17065161 + 13256881 = 4131^2 + 3641^2 .
It is not an unprimeable number, because it can be changed into a prime (30322049) 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, 858 + ... + 7834.
Almost surely, 230322042 is an apocalyptic number.
30322042 is a deficient number, since it is larger than the sum of its proper divisors (17156270).
30322042 is a wasteful number, since it uses less digits than its factorization.
30322042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7073.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 30322042 is about 5506.5453780024. The cubic root of 30322042 is about 311.8311394498.
Adding to 30322042 its reverse (24022303), we get a palindrome (54344345).
The spelling of 30322042 in words is "thirty million, three hundred twenty-two thousand, forty-two".
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