Base | Representation |
---|---|
bin | 111001010001… |
… | …0111111011110 |
3 | 2002111120022121 |
4 | 1302202333132 |
5 | 30141341432 |
6 | 2551333154 |
7 | 513142303 |
oct | 162427736 |
9 | 62446277 |
10 | 30027742 |
11 | 15a4a318 |
12 | a0811ba |
13 | 62b47c4 |
14 | 3db90aa |
15 | 2982197 |
hex | 1ca2fde |
30027742 has 16 divisors (see below), whose sum is σ = 47600640. Its totient is φ = 14177592.
The previous prime is 30027737. The next prime is 30027749. The reversal of 30027742 is 24772003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30027749) 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, 498 + ... + 7765.
It is an arithmetic number, because the mean of its divisors is an integer number (2975040).
Almost surely, 230027742 is an apocalyptic number.
30027742 is a deficient number, since it is larger than the sum of its proper divisors (17572898).
30027742 is a wasteful number, since it uses less digits than its factorization.
30027742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8367.
The product of its (nonzero) digits is 2352, while the sum is 25.
The square root of 30027742 is about 5479.7574763852. The cubic root of 30027742 is about 310.8189998030.
Adding to 30027742 its reverse (24772003), we get a palindrome (54799745).
The spelling of 30027742 in words is "thirty million, twenty-seven thousand, seven hundred forty-two".
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