Search a number
-
+
683905852 = 227175327109
BaseRepresentation
bin101000110000111…
…001001100111100
31202122220000110101
4220300321030330
52400034441402
6151510250444
722643050420
oct5060711474
91678800411
10683905852
11321057653
12171056a24
13ab8c5a26
1466b88b80
1540093b87
hex28c3933c

683905852 has 48 divisors (see below), whose sum is σ = 1475651520. Its totient is φ = 270646272.

The previous prime is 683905843. The next prime is 683905913. The reversal of 683905852 is 258509386.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11674 + ... + 38782.

It is an arithmetic number, because the mean of its divisors is an integer number (30742740).

Almost surely, 2683905852 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 683905852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737825760).

683905852 is an abundant number, since it is smaller than the sum of its proper divisors (791745668).

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

683905852 is a wasteful number, since it uses less digits than its factorization.

683905852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27190 (or 27188 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 683905852 is about 26151.5936799270. The cubic root of 683905852 is about 881.0463844114.

The spelling of 683905852 in words is "six hundred eighty-three million, nine hundred five thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 17 28 34 53 68 106 119 212 238 371 476 742 901 1484 1802 3604 6307 12614 25228 27109 54218 108436 189763 379526 460853 759052 921706 1436777 1843412 2873554 3225971 5747108 6451942 10057439 12903884 20114878 24425209 40229756 48850418 97700836 170976463 341952926 683905852