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674828 = 227211313
BaseRepresentation
bin10100100110000001100
31021021200122
42210300030
5133043303
622244112
75510300
oct2446014
91237618
10674828
11421010
12286638
131a820b
14137d00
15d4e38
hexa4c0c

674828 has 36 divisors (see below), whose sum is σ = 1503432. Its totient is φ = 262080.

The previous prime is 674827. The next prime is 674831. The reversal of 674828 is 828476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2000 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (41762).

2674828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751716).

674828 is an abundant number, since it is smaller than the sum of its proper divisors (828604).

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

674828 is a wasteful number, since it uses less digits than its factorization.

674828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 333 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 674828 is about 821.4791537221. The cubic root of 674828 is about 87.7130806831.

It can be divided in two parts, 6748 and 28, that added together give a palindrome (6776).

The spelling of 674828 in words is "six hundred seventy-four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 313 539 626 1078 1252 2156 2191 3443 4382 6886 8764 13772 15337 24101 30674 48202 61348 96404 168707 337414 674828