Base | Representation |
---|---|
bin | 110100000010… |
… | …100001111110 |
3 | 221200002002212 |
4 | 310002201332 |
5 | 11443014404 |
6 | 1204220422 |
7 | 223645112 |
oct | 64024176 |
9 | 27602085 |
10 | 13641854 |
11 | 7778366 |
12 | 469a712 |
13 | 2a98405 |
14 | 1b51742 |
15 | 12e706e |
hex | d0287e |
13641854 has 8 divisors (see below), whose sum is σ = 21666528. Its totient is φ = 6419680.
The previous prime is 13641853. The next prime is 13641893. The reversal of 13641854 is 45814631.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×136418544 (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13641854.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13641853) 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, 200582 + ... + 200649.
It is an arithmetic number, because the mean of its divisors is an integer number (2708316).
Almost surely, 213641854 is an apocalyptic number.
13641854 is a deficient number, since it is larger than the sum of its proper divisors (8024674).
13641854 is a wasteful number, since it uses less digits than its factorization.
13641854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401250.
The product of its digits is 11520, while the sum is 32.
The square root of 13641854 is about 3693.4880533176. The cubic root of 13641854 is about 238.9412505937.
The spelling of 13641854 in words is "thirteen million, six hundred forty-one thousand, eight hundred fifty-four".
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