Base | Representation |
---|---|
bin | 110100001011… |
… | …111101100010 |
3 | 221202001002112 |
4 | 310023331202 |
5 | 12000233412 |
6 | 1205115322 |
7 | 224165534 |
oct | 64137542 |
9 | 27661075 |
10 | 13680482 |
11 | 77a4392 |
12 | 46b8b42 |
13 | 2aacb7a |
14 | 1b61854 |
15 | 1303722 |
hex | d0bf62 |
13680482 has 4 divisors (see below), whose sum is σ = 20520726. Its totient is φ = 6840240.
The previous prime is 13680479. The next prime is 13680539. The reversal of 13680482 is 28408631.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28408631 = 1489 ⋅19079.
It can be written as a sum of positive squares in only one way, i.e., 11689561 + 1990921 = 3419^2 + 1411^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420119 + ... + 3420122.
Almost surely, 213680482 is an apocalyptic number.
13680482 is a deficient number, since it is larger than the sum of its proper divisors (6840244).
13680482 is an equidigital number, since it uses as much as digits as its factorization.
13680482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6840243.
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 13680482 is about 3698.7135601449. The cubic root of 13680482 is about 239.1665651452.
The spelling of 13680482 in words is "thirteen million, six hundred eighty thousand, four hundred eighty-two".
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