Base | Representation |
---|---|
bin | 101101010110… |
… | …010001111101 |
3 | 211100221220201 |
4 | 231112101331 |
5 | 11020401431 |
6 | 1102443501 |
7 | 203021065 |
oct | 55262175 |
9 | 24327821 |
10 | 11887741 |
11 | 678a488 |
12 | 3b93591 |
13 | 2602b88 |
14 | 18163a5 |
15 | 109c461 |
hex | b5647d |
11887741 has 8 divisors (see below), whose sum is σ = 12313944. Its totient is φ = 11469120.
The previous prime is 11887727. The next prime is 11887747. The reversal of 11887741 is 14778811.
It can be written as a sum of positive squares in 4 ways, for example, as 1512900 + 10374841 = 1230^2 + 3221^2 .
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 11887741 - 27 = 11887613 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11887741.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11887747) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 5071.
It is an arithmetic number, because the mean of its divisors is an integer number (1539243).
Almost surely, 211887741 is an apocalyptic number.
It is an amenable number.
11887741 is a deficient number, since it is larger than the sum of its proper divisors (426203).
11887741 is an equidigital number, since it uses as much as digits as its factorization.
11887741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3791.
The product of its digits is 12544, while the sum is 37.
The square root of 11887741 is about 3447.8603510003. The cubic root of 11887741 is about 228.2266969104.
The spelling of 11887741 in words is "eleven million, eight hundred eighty-seven thousand, seven hundred forty-one".
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