Base | Representation |
---|---|
bin | 101111011011… |
… | …010010010100 |
3 | 212101122020011 |
4 | 233123102110 |
5 | 11140320112 |
6 | 1122250004 |
7 | 210450310 |
oct | 57332224 |
9 | 25348204 |
10 | 12432532 |
11 | 7021822 |
12 | 41b6904 |
13 | 2763b38 |
14 | 1918b40 |
15 | 1158aa7 |
hex | bdb494 |
12432532 has 48 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 5040000.
The previous prime is 12432527. The next prime is 12432533. The reversal of 12432532 is 23523421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12432533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49407 + ... + 49657.
It is an arithmetic number, because the mean of its divisors is an integer number (546840).
Almost surely, 212432532 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12432532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13124160).
12432532 is an abundant number, since it is smaller than the sum of its proper divisors (13815788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12432532 is a wasteful number, since it uses less digits than its factorization.
12432532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352 (or 350 counting only the distinct ones).
The product of its digits is 1440, while the sum is 22.
The square root of 12432532 is about 3525.9795802018. The cubic root of 12432532 is about 231.6611432414.
Adding to 12432532 its reverse (23523421), we get a palindrome (35955953).
The spelling of 12432532 in words is "twelve million, four hundred thirty-two thousand, five hundred thirty-two".
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