Base | Representation |
---|---|
bin | 1111001101110111110111 |
3 | 21111122212010 |
4 | 33031313313 |
5 | 2010121413 |
6 | 221255303 |
7 | 45622455 |
oct | 17156767 |
9 | 7448763 |
10 | 3988983 |
11 | 2284a89 |
12 | 1404533 |
13 | a9885b |
14 | 75b9d5 |
15 | 53bdc3 |
hex | 3cddf7 |
3988983 has 4 divisors (see below), whose sum is σ = 5318648. Its totient is φ = 2659320.
The previous prime is 3988969. The next prime is 3988991. The reversal of 3988983 is 3898893.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3898893 = 3 ⋅1299631.
It is not a de Polignac number, because 3988983 - 29 = 3988471 is a prime.
It is a D-number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3988903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664828 + ... + 664833.
It is an arithmetic number, because the mean of its divisors is an integer number (1329662).
Almost surely, 23988983 is an apocalyptic number.
3988983 is a deficient number, since it is larger than the sum of its proper divisors (1329665).
3988983 is a wasteful number, since it uses less digits than its factorization.
3988983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1329664.
The product of its digits is 373248, while the sum is 48.
The square root of 3988983 is about 1997.2438509105. The cubic root of 3988983 is about 158.5942345484.
The spelling of 3988983 in words is "three million, nine hundred eighty-eight thousand, nine hundred eighty-three".
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