Base | Representation |
---|---|
bin | 110010101011… |
… | …101110001000 |
3 | 221000000100110 |
4 | 302223232020 |
5 | 11400130110 |
6 | 1152434320 |
7 | 220634340 |
oct | 62535610 |
9 | 27000313 |
10 | 13286280 |
11 | 75551a7 |
12 | 45489a0 |
13 | 29a2607 |
14 | 1a9bd20 |
15 | 1276a20 |
hex | cabb88 |
13286280 has 64 divisors (see below), whose sum is σ = 45555840. Its totient is φ = 3036672.
The previous prime is 13286267. The next prime is 13286291. The reversal of 13286280 is 8268231.
13286280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7069 + ... + 8748.
It is an arithmetic number, because the mean of its divisors is an integer number (711810).
Almost surely, 213286280 is an apocalyptic number.
13286280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13286280 is an abundant number, since it is smaller than the sum of its proper divisors (32269560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13286280 is a wasteful number, since it uses less digits than its factorization.
13286280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15838 (or 15834 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 13286280 is about 3645.0349792560. The cubic root of 13286280 is about 236.8469520516.
The spelling of 13286280 in words is "thirteen million, two hundred eighty-six thousand, two hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •