Base | Representation |
---|---|
bin | 1111001101111000011001 |
3 | 21111122220101 |
4 | 33031320121 |
5 | 2010122032 |
6 | 221255401 |
7 | 45622534 |
oct | 17157031 |
9 | 7448811 |
10 | 3989017 |
11 | 228500a |
12 | 1404561 |
13 | a98886 |
14 | 75ba1b |
15 | 53bde7 |
hex | 3cde19 |
3989017 has 4 divisors (see below), whose sum is σ = 3997696. Its totient is φ = 3980340.
The previous prime is 3989009. The next prime is 3989021. The reversal of 3989017 is 7109893.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3989017 - 23 = 3989009 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (3989057) by changing a digit.
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, 3609 + ... + 4582.
It is an arithmetic number, because the mean of its divisors is an integer number (999424).
Almost surely, 23989017 is an apocalyptic number.
It is an amenable number.
3989017 is a deficient number, since it is larger than the sum of its proper divisors (8679).
3989017 is an equidigital number, since it uses as much as digits as its factorization.
3989017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8678.
The product of its (nonzero) digits is 13608, while the sum is 37.
The square root of 3989017 is about 1997.2523626222. The cubic root of 3989017 is about 158.5946851385.
The spelling of 3989017 in words is "three million, nine hundred eighty-nine thousand, seventeen".
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