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682444 = 22724373
BaseRepresentation
bin10100110100111001100
31021200010201
42212213030
5133314234
622343244
75541430
oct2464714
91250121
10682444
11426804
1228ab24
131ab819
1413a9c0
15d7314
hexa69cc

682444 has 12 divisors (see below), whose sum is σ = 1364944. Its totient is φ = 292464.

The previous prime is 682439. The next prime is 682447. The reversal of 682444 is 444286.

682444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

682444 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 24373 = 682444 / (6 + 8 + 2 + 4 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (682447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12159 + ... + 12214.

2682444 is an apocalyptic number.

It is an amenable number.

682444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682444 is a wasteful number, since it uses less digits than its factorization.

682444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24384 (or 24382 counting only the distinct ones).

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

The square root of 682444 is about 826.1016886558. The cubic root of 682444 is about 88.0418189668.

The spelling of 682444 in words is "six hundred eighty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 24373 48746 97492 170611 341222 682444