Base | Representation |
---|---|
bin | 101111011011… |
… | …001101111101 |
3 | 212101121211211 |
4 | 233123031331 |
5 | 11140313003 |
6 | 1122244421 |
7 | 210446431 |
oct | 57331575 |
9 | 25347754 |
10 | 12432253 |
11 | 7021599 |
12 | 41b6711 |
13 | 2763982 |
14 | 19189c1 |
15 | 115896d |
hex | bdb37d |
12432253 has 8 divisors (see below), whose sum is σ = 13196088. Its totient is φ = 11672064.
The previous prime is 12432247. The next prime is 12432257. The reversal of 12432253 is 35223421.
It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 12020089 = 642^2 + 3467^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12432253 - 25 = 12432221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12432257) 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 7 ways as a sum of consecutive naturals, for example, 9825 + ... + 11017.
It is an arithmetic number, because the mean of its divisors is an integer number (1649511).
Almost surely, 212432253 is an apocalyptic number.
It is an amenable number.
12432253 is a deficient number, since it is larger than the sum of its proper divisors (763835).
12432253 is a wasteful number, since it uses less digits than its factorization.
12432253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1823.
The product of its digits is 1440, while the sum is 22.
The square root of 12432253 is about 3525.9400165062. The cubic root of 12432253 is about 231.6594103162.
Adding to 12432253 its reverse (35223421), we get a palindrome (47655674).
The spelling of 12432253 in words is "twelve million, four hundred thirty-two thousand, two hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •