Base | Representation |
---|---|
bin | 101111011110… |
… | …011001000110 |
3 | 212102021200100 |
4 | 233132121012 |
5 | 11141222004 |
6 | 1122424530 |
7 | 210532353 |
oct | 57363106 |
9 | 25367610 |
10 | 12445254 |
11 | 7030338 |
12 | 4202146 |
13 | 2769873 |
14 | 191d62a |
15 | 115c739 |
hex | bde646 |
12445254 has 36 divisors (see below), whose sum is σ = 28209636. Its totient is φ = 3965016.
The previous prime is 12445249. The next prime is 12445267. The reversal of 12445254 is 45254421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8869 + ... + 10175.
It is an arithmetic number, because the mean of its divisors is an integer number (783601).
Almost surely, 212445254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12445254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14104818).
12445254 is an abundant number, since it is smaller than the sum of its proper divisors (15764382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12445254 is a wasteful number, since it uses less digits than its factorization.
12445254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1361 (or 1335 counting only the distinct ones).
The product of its digits is 6400, while the sum is 27.
The square root of 12445254 is about 3527.7831566013. The cubic root of 12445254 is about 231.7401346156.
Adding to 12445254 its reverse (45254421), we get a palindrome (57699675).
The spelling of 12445254 in words is "twelve million, four hundred forty-five thousand, two hundred fifty-four".
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