Base | Representation |
---|---|
bin | 110101010010… |
… | …110100000000 |
3 | 222021210011220 |
4 | 311102310000 |
5 | 12034030223 |
6 | 1215235040 |
7 | 226514604 |
oct | 65226400 |
9 | 28253156 |
10 | 13970688 |
11 | 7982426 |
12 | 4818a80 |
13 | 2b81ca4 |
14 | 1bd9504 |
15 | 135e6e3 |
hex | d52d00 |
13970688 has 36 divisors (see below), whose sum is σ = 37184448. Its totient is φ = 4656640.
The previous prime is 13970659. The next prime is 13970689. The reversal of 13970688 is 88607931.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13970689) 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, 8328 + ... + 9863.
Almost surely, 213970688 is an apocalyptic number.
It is an amenable number.
13970688 is an abundant number, since it is smaller than the sum of its proper divisors (23213760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13970688 is an equidigital number, since it uses as much as digits as its factorization.
13970688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18210 (or 18196 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 13970688 is about 3737.7383536037. The cubic root of 13970688 is about 240.8459039134.
The spelling of 13970688 in words is "thirteen million, nine hundred seventy thousand, six hundred eighty-eight".
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