Base | Representation |
---|---|
bin | 110010001111… |
… | …100011000000 |
3 | 220210011001101 |
4 | 302033203000 |
5 | 11332432010 |
6 | 1150144144 |
7 | 216644032 |
oct | 62174300 |
9 | 26704041 |
10 | 13170880 |
11 | 7486528 |
12 | 44b2054 |
13 | 2961c28 |
14 | 1a6bc52 |
15 | 125273a |
hex | c8f8c0 |
13170880 has 56 divisors (see below), whose sum is σ = 31821120. Its totient is φ = 5191680.
The previous prime is 13170851. The next prime is 13170907. The reversal of 13170880 is 8807131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25020 + ... + 25540.
Almost surely, 213170880 is an apocalyptic number.
13170880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13170880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15910560).
13170880 is an abundant number, since it is smaller than the sum of its proper divisors (18650240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13170880 is an equidigital number, since it uses as much as digits as its factorization.
13170880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617 (or 607 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 28.
The square root of 13170880 is about 3629.1707041692. The cubic root of 13170880 is about 236.1592337233.
The spelling of 13170880 in words is "thirteen million, one hundred seventy thousand, eight hundred eighty".
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