Base | Representation |
---|---|
bin | 111001010010… |
… | …0000100000100 |
3 | 2002111210100012 |
4 | 1302210010010 |
5 | 30142012012 |
6 | 2551405352 |
7 | 513161144 |
oct | 162440404 |
9 | 62453305 |
10 | 30032132 |
11 | 15a52649 |
12 | a083858 |
13 | 62b67c0 |
14 | 3dba924 |
15 | 2983622 |
hex | 1ca4104 |
30032132 has 48 divisors (see below), whose sum is σ = 61154352. Its totient is φ = 12779520.
The previous prime is 30032129. The next prime is 30032137. The reversal of 30032132 is 23123003.
It can be written as a sum of positive squares in 8 ways, for example, as 2637376 + 27394756 = 1624^2 + 5234^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30032137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46532 + ... + 47172.
It is an arithmetic number, because the mean of its divisors is an integer number (1274049).
Almost surely, 230032132 is an apocalyptic number.
It is an amenable number.
30032132 is an abundant number, since it is smaller than the sum of its proper divisors (31122220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032132 is a wasteful number, since it uses less digits than its factorization.
30032132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 728 (or 726 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 30032132 is about 5480.1580269186. The cubic root of 30032132 is about 310.8341461181.
Adding to 30032132 its reverse (23123003), we get a palindrome (53155135).
The spelling of 30032132 in words is "thirty million, thirty-two thousand, one hundred thirty-two".
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