Base | Representation |
---|---|
bin | 110010101010… |
… | …010110010110 |
3 | 220222201122101 |
4 | 302222112112 |
5 | 11344440122 |
6 | 1152352314 |
7 | 220612063 |
oct | 62522626 |
9 | 26881571 |
10 | 13280662 |
11 | 7550a5a |
12 | 454569a |
13 | 299cba5 |
14 | 1a99c6a |
15 | 1275027 |
hex | caa596 |
13280662 has 4 divisors (see below), whose sum is σ = 19920996. Its totient is φ = 6640330.
The previous prime is 13280653. The next prime is 13280681. The reversal of 13280662 is 26608231.
13280662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26608231 = 13 ⋅2046787.
It is a self number, because there is not a number n which added to its sum of digits gives 13280662.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320164 + ... + 3320167.
It is an arithmetic number, because the mean of its divisors is an integer number (4980249).
Almost surely, 213280662 is an apocalyptic number.
13280662 is a deficient number, since it is larger than the sum of its proper divisors (6640334).
13280662 is an equidigital number, since it uses as much as digits as its factorization.
13280662 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6640333.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 13280662 is about 3644.2642604509. The cubic root of 13280662 is about 236.8135643823.
Adding to 13280662 its reverse (26608231), we get a palindrome (39888893).
The spelling of 13280662 in words is "thirteen million, two hundred eighty thousand, six hundred sixty-two".
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