Base | Representation |
---|---|
bin | 110100101010… |
… | …111110000101 |
3 | 221222111022122 |
4 | 310222332011 |
5 | 12013314433 |
6 | 1211535325 |
7 | 225235040 |
oct | 64527605 |
9 | 27874278 |
10 | 13807493 |
11 | 7880857 |
12 | 475a545 |
13 | 2b2591b |
14 | 1b95c57 |
15 | 132b198 |
hex | d2af85 |
13807493 has 8 divisors (see below), whose sum is σ = 16289280. Its totient is φ = 11453040.
The previous prime is 13807489. The next prime is 13807543. The reversal of 13807493 is 39470831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13807493 - 22 = 13807489 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13807403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31598 + ... + 32031.
It is an arithmetic number, because the mean of its divisors is an integer number (2036160).
Almost surely, 213807493 is an apocalyptic number.
It is an amenable number.
13807493 is a deficient number, since it is larger than the sum of its proper divisors (2481787).
13807493 is an equidigital number, since it uses as much as digits as its factorization.
13807493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63667.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 13807493 is about 3715.8435112367. The cubic root of 13807493 is about 239.9044353322.
The spelling of 13807493 in words is "thirteen million, eight hundred seven thousand, four hundred ninety-three".
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