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4026849 = 31342283
BaseRepresentation
bin1111010111000111100001
321120120210120
433113013201
52012324344
6222150453
746141041
oct17270741
97516716
104026849
112300482
121422429
13aacb68
1476b721
15548219
hex3d71e1

4026849 has 4 divisors (see below), whose sum is σ = 5369136. Its totient is φ = 2684564.

The previous prime is 4026829. The next prime is 4026857. The reversal of 4026849 is 9486204.

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 4026849 - 27 = 4026721 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4026829) 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, 671139 + ... + 671144.

It is an arithmetic number, because the mean of its divisors is an integer number (1342284).

Almost surely, 24026849 is an apocalyptic number.

It is an amenable number.

4026849 is a deficient number, since it is larger than the sum of its proper divisors (1342287).

4026849 is a wasteful number, since it uses less digits than its factorization.

4026849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342286.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4026849 is about 2006.7010240691. The cubic root of 4026849 is about 159.0944812457.

The spelling of 4026849 in words is "four million, twenty-six thousand, eight hundred forty-nine".

Divisors: 1 3 1342283 4026849