Base | Representation |
---|---|
bin | 101111011111… |
… | …010111111000 |
3 | 212102111012011 |
4 | 233133113320 |
5 | 11141334042 |
6 | 1122455304 |
7 | 210550153 |
oct | 57372770 |
9 | 25374164 |
10 | 12449272 |
11 | 7033360 |
12 | 4204534 |
13 | 276b644 |
14 | 1920c9a |
15 | 115da17 |
hex | bdf5f8 |
12449272 has 32 divisors (see below), whose sum is σ = 25631280. Its totient is φ = 5621760.
The previous prime is 12449263. The next prime is 12449273. The reversal of 12449272 is 27294421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12449273) 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, 16618 + ... + 17350.
Almost surely, 212449272 is an apocalyptic number.
It is an amenable number.
12449272 is an abundant number, since it is smaller than the sum of its proper divisors (13182008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12449272 is a wasteful number, since it uses less digits than its factorization.
12449272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943 (or 939 counting only the distinct ones).
The product of its digits is 8064, while the sum is 31.
The square root of 12449272 is about 3528.3525900907. The cubic root of 12449272 is about 231.7650713418.
It can be divided in two parts, 12449 and 272, that added together give a palindrome (12721).
The spelling of 12449272 in words is "twelve million, four hundred forty-nine thousand, two hundred seventy-two".
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