Base | Representation |
---|---|
bin | 1001010101011010001101 |
3 | 11121022122020 |
4 | 21111122031 |
5 | 1111300424 |
6 | 124240353 |
7 | 26541036 |
oct | 11253215 |
9 | 4538566 |
10 | 2446989 |
11 | 1421506 |
12 | 9a00b9 |
13 | 678a2c |
14 | 479a8d |
15 | 335079 |
hex | 25568d |
2446989 has 4 divisors (see below), whose sum is σ = 3262656. Its totient is φ = 1631324.
The previous prime is 2446981. The next prime is 2447009. The reversal of 2446989 is 9896442.
2446989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 2446989 - 23 = 2446981 is a prime.
It is a super-2 number, since 2×24469892 = 11975510332242, which contains 22 as substring.
It is a D-number.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 2446989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2446981) 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, 407829 + ... + 407834.
It is an arithmetic number, because the mean of its divisors is an integer number (815664).
22446989 is an apocalyptic number.
It is an amenable number.
2446989 is a deficient number, since it is larger than the sum of its proper divisors (815667).
2446989 is an equidigital number, since it uses as much as digits as its factorization.
2446989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 815666.
The product of its digits is 124416, while the sum is 42.
The square root of 2446989 is about 1564.2854598826. The cubic root of 2446989 is about 134.7547261133.
The spelling of 2446989 in words is "two million, four hundred forty-six thousand, nine hundred eighty-nine".
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