Base | Representation |
---|---|
bin | 110001101010… |
… | …001010010000 |
3 | 220111100222200 |
4 | 301222022100 |
5 | 11313031434 |
6 | 1143003200 |
7 | 215435415 |
oct | 61521220 |
9 | 26440880 |
10 | 13017744 |
11 | 7391473 |
12 | 4439500 |
13 | 290a30c |
14 | 1a2c10c |
15 | 1222199 |
hex | c6a290 |
13017744 has 30 divisors (see below), whose sum is σ = 36432006. Its totient is φ = 4339200.
The previous prime is 13017709. The next prime is 13017757. The reversal of 13017744 is 44771031.
It can be written as a sum of positive squares in only one way, i.e., 9734400 + 3283344 = 3120^2 + 1812^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45057 + ... + 45344.
Almost surely, 213017744 is an apocalyptic number.
It is an amenable number.
13017744 is an abundant number, since it is smaller than the sum of its proper divisors (23414262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13017744 is a wasteful number, since it uses less digits than its factorization.
13017744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90415 (or 90406 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 13017744 is about 3608.0110864575. The cubic root of 13017744 is about 235.2403998352.
Adding to 13017744 its reverse (44771031), we get a palindrome (57788775).
It can be divided in two parts, 1301 and 7744, that added together give a triangular number (9045 = T134).
The spelling of 13017744 in words is "thirteen million, seventeen thousand, seven hundred forty-four".
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