Base | Representation |
---|---|
bin | 110011010101… |
… | …000100110100 |
3 | 221022121201002 |
4 | 303111010310 |
5 | 11421040133 |
6 | 1200222432 |
7 | 222241232 |
oct | 63250464 |
9 | 27277632 |
10 | 13455668 |
11 | 7660496 |
12 | 460aa18 |
13 | 2a31745 |
14 | 1b03952 |
15 | 12abce8 |
hex | cd5134 |
13455668 has 12 divisors (see below), whose sum is σ = 23601732. Its totient is φ = 6712320.
The previous prime is 13455661. The next prime is 13455697. The reversal of 13455668 is 86655431.
It can be written as a sum of positive squares in 2 ways, for example, as 4443664 + 9012004 = 2108^2 + 3002^2 .
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a plaindrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13455661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805 + ... + 5492.
It is an arithmetic number, because the mean of its divisors is an integer number (1966811).
Almost surely, 213455668 is an apocalyptic number.
It is an amenable number.
13455668 is a deficient number, since it is larger than the sum of its proper divisors (10146064).
13455668 is a wasteful number, since it uses less digits than its factorization.
13455668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7762 (or 7760 counting only the distinct ones).
The product of its digits is 86400, while the sum is 38.
The square root of 13455668 is about 3668.1968322324. The cubic root of 13455668 is about 237.8492324789.
The spelling of 13455668 in words is "thirteen million, four hundred fifty-five thousand, six hundred sixty-eight".
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