Base | Representation |
---|---|
bin | 1100101111100… |
… | …1111010001111 |
3 | 10201120122221200 |
4 | 3023321322033 |
5 | 102140434211 |
6 | 5145400543 |
7 | 1216223664 |
oct | 313717217 |
9 | 121518850 |
10 | 53452431 |
11 | 2819966a |
12 | 15a99153 |
13 | b0c6976 |
14 | 7155a6b |
15 | 4a5cb56 |
hex | 32f9e8f |
53452431 has 12 divisors (see below), whose sum is σ = 77558208. Its totient is φ = 35473824.
The previous prime is 53452417. The next prime is 53452433. The reversal of 53452431 is 13425435.
It is not a de Polignac number, because 53452431 - 26 = 53452367 is a prime.
It is a super-2 number, since 2×534524312 = 5714324759619522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 53452395 and 53452404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53452433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11310 + ... + 15323.
It is an arithmetic number, because the mean of its divisors is an integer number (6463184).
Almost surely, 253452431 is an apocalyptic number.
53452431 is a deficient number, since it is larger than the sum of its proper divisors (24105777).
53452431 is a wasteful number, since it uses less digits than its factorization.
53452431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26862 (or 26859 counting only the distinct ones).
The product of its digits is 7200, while the sum is 27.
The square root of 53452431 is about 7311.1169461307. The cubic root of 53452431 is about 376.6943912381.
Adding to 53452431 its reverse (13425435), we get a palindrome (66877866).
It can be divided in two parts, 5345 and 2431, that added together give a 5-th power (7776 = 65).
The spelling of 53452431 in words is "fifty-three million, four hundred fifty-two thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •