Base | Representation |
---|---|
bin | 101110111111… |
… | …101011110000 |
3 | 212011220010202 |
4 | 232333223300 |
5 | 11123210342 |
6 | 1120014332 |
7 | 206466554 |
oct | 56775360 |
9 | 25156122 |
10 | 12319472 |
11 | 6a54890 |
12 | 41613a8 |
13 | 2724539 |
14 | 18c9864 |
15 | 1135332 |
hex | bbfaf0 |
12319472 has 20 divisors (see below), whose sum is σ = 26039256. Its totient is φ = 5599680.
The previous prime is 12319471. The next prime is 12319477. The reversal of 12319472 is 27491321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12319471) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34823 + ... + 35174.
Almost surely, 212319472 is an apocalyptic number.
It is an amenable number.
12319472 is an abundant number, since it is smaller than the sum of its proper divisors (13719784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12319472 is a wasteful number, since it uses less digits than its factorization.
12319472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70016 (or 70010 counting only the distinct ones).
The product of its digits is 3024, while the sum is 29.
The square root of 12319472 is about 3509.9105401705. The cubic root of 12319472 is about 230.9567705816.
The spelling of 12319472 in words is "twelve million, three hundred nineteen thousand, four hundred seventy-two".
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