Base | Representation |
---|---|
bin | 110100110100… |
… | …111101111000 |
3 | 222001120111012 |
4 | 310310331320 |
5 | 12021122230 |
6 | 1212453052 |
7 | 225465314 |
oct | 64647570 |
9 | 28046435 |
10 | 13848440 |
11 | 78a95a1 |
12 | 477a188 |
13 | 2b3b458 |
14 | 1ba6b44 |
15 | 1338395 |
hex | d34f78 |
13848440 has 32 divisors (see below), whose sum is σ = 31268160. Its totient is φ = 5520000.
The previous prime is 13848437. The next prime is 13848449. The reversal of 13848440 is 4484831.
It is a junction number, because it is equal to n+sod(n) for n = 13848397 and 13848406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13848449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18065 + ... + 18815.
It is an arithmetic number, because the mean of its divisors is an integer number (977130).
Almost surely, 213848440 is an apocalyptic number.
13848440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13848440 is an abundant number, since it is smaller than the sum of its proper divisors (17419720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13848440 is a wasteful number, since it uses less digits than its factorization.
13848440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1223 (or 1219 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 13848440 is about 3721.3492176897. The cubic root of 13848440 is about 240.1413519173.
The spelling of 13848440 in words is "thirteen million, eight hundred forty-eight thousand, four hundred forty".
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