Base | Representation |
---|---|
bin | 110010000001… |
… | …010010000000 |
3 | 220200011220020 |
4 | 302001102000 |
5 | 11324044243 |
6 | 1145013440 |
7 | 216311466 |
oct | 62012200 |
9 | 26604806 |
10 | 13112448 |
11 | 7446638 |
12 | 4484280 |
13 | 294145b |
14 | 1a54836 |
15 | 1240283 |
hex | c81480 |
13112448 has 32 divisors (see below), whose sum is σ = 34830960. Its totient is φ = 4370688.
The previous prime is 13112443. The next prime is 13112471. The reversal of 13112448 is 84421131.
It is a tau number, because it is divible by the number of its divisors (32).
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (13112443) 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, 16690 + ... + 17457.
Almost surely, 213112448 is an apocalyptic number.
It is an amenable number.
13112448 is an abundant number, since it is smaller than the sum of its proper divisors (21718512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13112448 is an equidigital number, since it uses as much as digits as its factorization.
13112448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34164 (or 34152 counting only the distinct ones).
The product of its digits is 768, while the sum is 24.
The square root of 13112448 is about 3621.1114315911. Note that the first 3 decimals coincide. The cubic root of 13112448 is about 235.8094794832.
Adding to 13112448 its reverse (84421131), we get a palindrome (97533579).
The spelling of 13112448 in words is "thirteen million, one hundred twelve thousand, four hundred forty-eight".
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