Base | Representation |
---|---|
bin | 110000111111… |
… | …010100001110 |
3 | 220011110021001 |
4 | 300333110032 |
5 | 11241423004 |
6 | 1135130514 |
7 | 214104655 |
oct | 60772416 |
9 | 26143231 |
10 | 12842254 |
11 | 7281637 |
12 | 4373a3a |
13 | 2878489 |
14 | 19c419c |
15 | 11da1a4 |
hex | c3f50e |
12842254 has 4 divisors (see below), whose sum is σ = 19263384. Its totient is φ = 6421126.
The previous prime is 12842237. The next prime is 12842279. The reversal of 12842254 is 45224821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45224821 = 653 ⋅69257.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3210562 + ... + 3210565.
It is an arithmetic number, because the mean of its divisors is an integer number (4815846).
Almost surely, 212842254 is an apocalyptic number.
12842254 is a deficient number, since it is larger than the sum of its proper divisors (6421130).
12842254 is an equidigital number, since it uses as much as digits as its factorization.
12842254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6421129.
The product of its digits is 5120, while the sum is 28.
The square root of 12842254 is about 3583.6090746620. The cubic root of 12842254 is about 234.1785351876.
The spelling of 12842254 in words is "twelve million, eight hundred forty-two thousand, two hundred fifty-four".
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