Base | Representation |
---|---|
bin | 110100111110… |
… | …100000001010 |
3 | 222010120001210 |
4 | 310332200022 |
5 | 12023344443 |
6 | 1213353550 |
7 | 226020222 |
oct | 64764012 |
9 | 28116053 |
10 | 13887498 |
11 | 7925979 |
12 | 47988b6 |
13 | 2b53171 |
14 | 1bb7082 |
15 | 1344c33 |
hex | d3e80a |
13887498 has 8 divisors (see below), whose sum is σ = 27775008. Its totient is φ = 4629164.
The previous prime is 13887493. The next prime is 13887539. The reversal of 13887498 is 89478831.
It is a sphenic number, since it is the product of 3 distinct primes.
13887498 is an admirable number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13887493) 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, 1157286 + ... + 1157297.
It is an arithmetic number, because the mean of its divisors is an integer number (3471876).
Almost surely, 213887498 is an apocalyptic number.
13887498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13887498 is a wasteful number, since it uses less digits than its factorization.
13887498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2314588.
The product of its digits is 387072, while the sum is 48.
The square root of 13887498 is about 3726.5933505012. The cubic root of 13887498 is about 240.3669040811.
The spelling of 13887498 in words is "thirteen million, eight hundred eighty-seven thousand, four hundred ninety-eight".
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