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426844 = 221189109
BaseRepresentation
bin1101000001101011100
3210200112001
41220031130
5102124334
613052044
73425305
oct1501534
9720461
10426844
11271770
12187024
1311c392
14b17ac
1586714
hex6835c

426844 has 24 divisors (see below), whose sum is σ = 831600. Its totient is φ = 190080.

The previous prime is 426841. The next prime is 426859. The reversal of 426844 is 448624.

It is a super-3 number, since 3×4268443 = 233307552595858752, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426841) 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, 3862 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2426844 is an apocalyptic number.

426844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

426844 is a deficient number, since it is larger than the sum of its proper divisors (404756).

426844 is a wasteful number, since it uses less digits than its factorization.

426844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 426844 is about 653.3329931972. The cubic root of 426844 is about 75.2933106818.

It can be divided in two parts, 42 and 6844, that added together give a palindrome (6886).

The spelling of 426844 in words is "four hundred twenty-six thousand, eight hundred forty-four".

Divisors: 1 2 4 11 22 44 89 109 178 218 356 436 979 1199 1958 2398 3916 4796 9701 19402 38804 106711 213422 426844