Base | Representation |
---|---|
bin | 110101001110… |
… | …111010000000 |
3 | 222020222020022 |
4 | 311032322000 |
5 | 12033022223 |
6 | 1215033012 |
7 | 226420136 |
oct | 65167200 |
9 | 28228208 |
10 | 13954688 |
11 | 7971400 |
12 | 480b768 |
13 | 2b77917 |
14 | 1bd3756 |
15 | 1359ac8 |
hex | d4ee80 |
13954688 has 96 divisors (see below), whose sum is σ = 32965380. Its totient is φ = 5857280.
The previous prime is 13954679. The next prime is 13954691. The reversal of 13954688 is 88645931.
It can be written as a sum of positive squares in 2 ways, for example, as 13017664 + 937024 = 3608^2 + 968^2 .
It is a Harshad number since it is a multiple of its sum of digits (44).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 263270 + ... + 263322.
Almost surely, 213954688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13954688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16482690).
13954688 is an abundant number, since it is smaller than the sum of its proper divisors (19010692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13954688 is a wasteful number, since it uses less digits than its factorization.
13954688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106 (or 83 counting only the distinct ones).
The product of its digits is 207360, while the sum is 44.
The square root of 13954688 is about 3735.5974087152. The cubic root of 13954688 is about 240.7539254680.
The spelling of 13954688 in words is "thirteen million, nine hundred fifty-four thousand, six hundred eighty-eight".
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