Base | Representation |
---|---|
bin | 111001010010… |
… | …0001010010100 |
3 | 2002111210220000 |
4 | 1302210022110 |
5 | 30142020112 |
6 | 2551411300 |
7 | 513162255 |
oct | 162441224 |
9 | 62453800 |
10 | 30032532 |
11 | 15a52982 |
12 | a083b30 |
13 | 62b6a3a |
14 | 3dbab2c |
15 | 29837dc |
hex | 1ca4294 |
30032532 has 30 divisors (see below), whose sum is σ = 78511818. Its totient is φ = 10010736.
The previous prime is 30032473. The next prime is 30032543. The reversal of 30032532 is 23523003.
It can be written as a sum of positive squares in only one way, i.e., 19766916 + 10265616 = 4446^2 + 3204^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 46023 + ... + 46670.
Almost surely, 230032532 is an apocalyptic number.
It is an amenable number.
30032532 is an abundant number, since it is smaller than the sum of its proper divisors (48479286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032532 is a wasteful number, since it uses less digits than its factorization.
30032532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92709 (or 92698 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 18.
The square root of 30032532 is about 5480.1945220950. The cubic root of 30032532 is about 310.8355261189.
Adding to 30032532 its reverse (23523003), we get a palindrome (53555535).
The spelling of 30032532 in words is "thirty million, thirty-two thousand, five hundred thirty-two".
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