Base | Representation |
---|---|
bin | 110010101011… |
… | …000111001100 |
3 | 220222212221011 |
4 | 302223013030 |
5 | 11400040123 |
6 | 1152415004 |
7 | 220624150 |
oct | 62530714 |
9 | 26885834 |
10 | 13283788 |
11 | 7553341 |
12 | 4547464 |
13 | 29a143b |
14 | 1a9b060 |
15 | 1275e0d |
hex | cab1cc |
13283788 has 24 divisors (see below), whose sum is σ = 27724032. Its totient is φ = 5445264.
The previous prime is 13283759. The next prime is 13283789. The reversal of 13283788 is 88738231.
13283788 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
13283788 is strictly pandigital in base 8.
It is a self number, because there is not a number n which added to its sum of digits gives 13283788.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13283789) 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, 9670 + ... + 10957.
It is an arithmetic number, because the mean of its divisors is an integer number (1155168).
Almost surely, 213283788 is an apocalyptic number.
It is an amenable number.
13283788 is an abundant number, since it is smaller than the sum of its proper divisors (14440244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13283788 is a wasteful number, since it uses less digits than its factorization.
13283788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20661 (or 20659 counting only the distinct ones).
The product of its digits is 64512, while the sum is 40.
The square root of 13283788 is about 3644.6931283717. The cubic root of 13283788 is about 236.8321433038.
The spelling of 13283788 in words is "thirteen million, two hundred eighty-three thousand, seven hundred eighty-eight".
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