Base | Representation |
---|---|
bin | 111001101011… |
… | …1010101010100 |
3 | 2002220110101222 |
4 | 1303113111110 |
5 | 30220222012 |
6 | 3000105512 |
7 | 515024324 |
oct | 163272524 |
9 | 62813358 |
10 | 30242132 |
11 | 160863a8 |
12 | a165298 |
13 | 635b26b |
14 | 4033284 |
15 | 29c5972 |
hex | 1cd7554 |
30242132 has 6 divisors (see below), whose sum is σ = 52923738. Its totient is φ = 15121064.
The previous prime is 30242131. The next prime is 30242189. The reversal of 30242132 is 23124203.
It can be written as a sum of positive squares in only one way, i.e., 24462916 + 5779216 = 4946^2 + 2404^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30242132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30242131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780263 + ... + 3780270.
It is an arithmetic number, because the mean of its divisors is an integer number (8820623).
Almost surely, 230242132 is an apocalyptic number.
It is an amenable number.
30242132 is a deficient number, since it is larger than the sum of its proper divisors (22681606).
30242132 is a wasteful number, since it uses less digits than its factorization.
30242132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7560537 (or 7560535 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 30242132 is about 5499.2846807562. The cubic root of 30242132 is about 311.5569676304.
Adding to 30242132 its reverse (23124203), we get a palindrome (53366335).
The spelling of 30242132 in words is "thirty million, two hundred forty-two thousand, one hundred thirty-two".
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