Base | Representation |
---|---|
bin | 110100100110… |
… | …110000000000 |
3 | 221221121121110 |
4 | 310212300000 |
5 | 12012241313 |
6 | 1211323320 |
7 | 225133455 |
oct | 64466000 |
9 | 27847543 |
10 | 13790208 |
11 | 7869873 |
12 | 4750540 |
13 | 2b1aab3 |
14 | 1b8d82c |
15 | 1325ec3 |
hex | d26c00 |
13790208 has 66 divisors (see below), whose sum is σ = 37312716. Its totient is φ = 4528128.
The previous prime is 13790207. The next prime is 13790243. The reversal of 13790208 is 80209731.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (13790207) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205791 + ... + 205857.
Almost surely, 213790208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13790208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18656358).
13790208 is an abundant number, since it is smaller than the sum of its proper divisors (23522508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13790208 is an frugal number, since it uses more digits than its factorization.
13790208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157 (or 72 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 13790208 is about 3713.5169314277. The cubic root of 13790208 is about 239.8042848861.
Adding to 13790208 its reverse (80209731), we get a palindrome (93999939).
The spelling of 13790208 in words is "thirteen million, seven hundred ninety thousand, two hundred eight".
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