Base | Representation |
---|---|
bin | 1111001101110101110001 |
3 | 21111122200011 |
4 | 33031311301 |
5 | 2010120344 |
6 | 221254521 |
7 | 45622204 |
oct | 17156561 |
9 | 7448604 |
10 | 3988849 |
11 | 2284977 |
12 | 1404441 |
13 | a98787 |
14 | 75b93b |
15 | 53bd34 |
hex | 3cdd71 |
3988849 has 8 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 3866400.
The previous prime is 3988823. The next prime is 3988877. The reversal of 3988849 is 9488893.
It is a happy number.
3988849 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
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 3988849 - 213 = 3980657 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3988889) 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, 10932 + ... + 11290.
It is an arithmetic number, because the mean of its divisors is an integer number (514080).
Almost surely, 23988849 is an apocalyptic number.
It is an amenable number.
3988849 is a deficient number, since it is larger than the sum of its proper divisors (123791).
3988849 is a wasteful number, since it uses less digits than its factorization.
3988849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671.
The product of its digits is 497664, while the sum is 49.
The square root of 3988849 is about 1997.2103043996. The cubic root of 3988849 is about 158.5924586684.
It can be divided in two parts, 398884 and 9, that added together give a palindrome (398893).
The spelling of 3988849 in words is "three million, nine hundred eighty-eight thousand, eight hundred forty-nine".
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