Base | Representation |
---|---|
bin | 110011100000… |
… | …011010000000 |
3 | 221101222101001 |
4 | 303200122000 |
5 | 11424031310 |
6 | 1201221344 |
7 | 222523444 |
oct | 63403200 |
9 | 27358331 |
10 | 13502080 |
11 | 7692349 |
12 | 4631854 |
13 | 2a498c7 |
14 | 1b16824 |
15 | 12ba93a |
hex | ce0680 |
13502080 has 96 divisors (see below), whose sum is σ = 34758540. Its totient is φ = 5013504.
The previous prime is 13502011. The next prime is 13502089. The reversal of 13502080 is 8020531.
13502080 = T355 + T356 + ... + T500.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 10086976 + 3415104 = 3176^2 + 1848^2 .
It is not an unprimeable number, because it can be changed into a prime (13502089) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184924 + ... + 184996.
Almost surely, 213502080 is an apocalyptic number.
13502080 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 13502080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17379270).
13502080 is an abundant number, since it is smaller than the sum of its proper divisors (21256460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13502080 is an equidigital number, since it uses as much as digits as its factorization.
13502080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126 (or 97 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 13502080 is about 3674.5176554209. The cubic root of 13502080 is about 238.1223860346.
The spelling of 13502080 in words is "thirteen million, five hundred two thousand, eighty".
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