Base | Representation |
---|---|
bin | 110100101011… |
… | …010011100110 |
3 | 221222120012122 |
4 | 310223103212 |
5 | 12013340440 |
6 | 1211545542 |
7 | 225242045 |
oct | 64532346 |
9 | 27876178 |
10 | 13808870 |
11 | 7881899 |
12 | 475b2b2 |
13 | 2b2643a |
14 | 1b9655c |
15 | 132b7b5 |
hex | d2b4e6 |
13808870 has 8 divisors (see below), whose sum is σ = 24855984. Its totient is φ = 5523544.
The previous prime is 13808869. The next prime is 13808887. The reversal of 13808870 is 7880831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13808870.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 690434 + ... + 690453.
It is an arithmetic number, because the mean of its divisors is an integer number (3106998).
Almost surely, 213808870 is an apocalyptic number.
13808870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13808870 is a deficient number, since it is larger than the sum of its proper divisors (11047114).
13808870 is a wasteful number, since it uses less digits than its factorization.
13808870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1380894.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 13808870 is about 3716.0287942910. The cubic root of 13808870 is about 239.9124101669.
The spelling of 13808870 in words is "thirteen million, eight hundred eight thousand, eight hundred seventy".
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