Base | Representation |
---|---|
bin | 110100111110… |
… | …011111100100 |
3 | 222010120000101 |
4 | 310332133210 |
5 | 12023344320 |
6 | 1213353444 |
7 | 226020136 |
oct | 64763744 |
9 | 28116011 |
10 | 13887460 |
11 | 7925944 |
12 | 4798884 |
13 | 2b53142 |
14 | 1bb7056 |
15 | 1344c0a |
hex | d3e7e4 |
13887460 has 12 divisors (see below), whose sum is σ = 29163708. Its totient is φ = 5554976.
The previous prime is 13887451. The next prime is 13887463. The reversal of 13887460 is 6478831.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 10810944 + 3076516 = 3288^2 + 1754^2 .
It is not an unprimeable number, because it can be changed into a prime (13887463) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347167 + ... + 347206.
It is an arithmetic number, because the mean of its divisors is an integer number (2430309).
Almost surely, 213887460 is an apocalyptic number.
13887460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13887460 is an abundant number, since it is smaller than the sum of its proper divisors (15276248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13887460 is a wasteful number, since it uses less digits than its factorization.
13887460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 694382 (or 694380 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 13887460 is about 3726.5882520075. The cubic root of 13887460 is about 240.3666848443.
The spelling of 13887460 in words is "thirteen million, eight hundred eighty-seven thousand, four hundred sixty".
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