Base | Representation |
---|---|
bin | 111001101101… |
… | …111101000000 |
3 | 1001110201001101 |
4 | 321231331000 |
5 | 12333133212 |
6 | 1300144144 |
7 | 242415022 |
oct | 71557500 |
9 | 31421041 |
10 | 15130432 |
11 | 85a4799 |
12 | 5098054 |
13 | 3199b25 |
14 | 201c012 |
15 | 14dd157 |
hex | e6df40 |
15130432 has 28 divisors (see below), whose sum is σ = 30540960. Its totient is φ = 7435136.
The previous prime is 15130429. The next prime is 15130439. The reversal of 15130432 is 23403151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15130439) 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 3 ways as a sum of consecutive naturals, for example, 1773 + ... + 5779.
Almost surely, 215130432 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 15130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15270480).
15130432 is an abundant number, since it is smaller than the sum of its proper divisors (15410528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15130432 is an equidigital number, since it uses as much as digits as its factorization.
15130432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4078 (or 4068 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 15130432 is about 3889.7855982046. The cubic root of 15130432 is about 247.3339742906. Note that the first 3 decimals are identical.
Adding to 15130432 its reverse (23403151), we get a palindrome (38533583).
The spelling of 15130432 in words is "fifteen million, one hundred thirty thousand, four hundred thirty-two".
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