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674441 = 1797409
BaseRepresentation
bin10100100101010001001
31021021011022
42210222021
5133040231
622242225
75506205
oct2445211
91237138
10674441
11420799
12286375
131a7ca1
14137b05
15d4c7b
hexa4a89

674441 has 8 divisors (see below), whose sum is σ = 723240. Its totient is φ = 626688.

The previous prime is 674431. The next prime is 674449. The reversal of 674441 is 144476.

674441 = 1242 + 1252 + ... + 1572.

It can be written as a sum of positive squares in 4 ways, for example, as 319225 + 355216 = 565^2 + 596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674441 - 214 = 658057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674441.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 674441.

It is not an unprimeable number, because it can be changed into a prime (674449) 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, 1445 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (90405).

2674441 is an apocalyptic number.

It is an amenable number.

674441 is a deficient number, since it is larger than the sum of its proper divisors (48799).

674441 is a wasteful number, since it uses less digits than its factorization.

674441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its digits is 2688, while the sum is 26.

The square root of 674441 is about 821.2435692290. The cubic root of 674441 is about 87.6963102600.

It can be divided in two parts, 6 and 74441, that added together give a palindrome (74447).

The spelling of 674441 in words is "six hundred seventy-four thousand, four hundred forty-one".

Divisors: 1 17 97 409 1649 6953 39673 674441