Search a number
-
+
676689372 = 223253834273
BaseRepresentation
bin101000010101010…
…111010111011100
31202011022101022100
4220111113113130
52341213024442
6151051445100
722524523212
oct5025272734
91664271270
10676689372
11317a78817
1216a756790
13aa26a118
1465c2acb2
153e61a84c
hex285575dc

676689372 has 72 divisors (see below), whose sum is σ = 1764204624. Its totient is φ = 218589696.

The previous prime is 676689367. The next prime is 676689407. The reversal of 676689372 is 273986676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156228 + ... + 160500.

It is an arithmetic number, because the mean of its divisors is an integer number (24502842).

Almost surely, 2676689372 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 676689372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882102312).

676689372 is an abundant number, since it is smaller than the sum of its proper divisors (1087515252).

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

676689372 is a wasteful number, since it uses less digits than its factorization.

676689372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419 (or 4414 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 676689372 is about 26013.2537757198. The cubic root of 676689372 is about 877.9365271508.

The spelling of 676689372 in words is "six hundred seventy-six million, six hundred eighty-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 53 83 106 159 166 212 249 318 332 477 498 636 747 954 996 1494 1908 2988 4273 4399 8546 8798 12819 13197 17092 17596 25638 26394 38457 39591 51276 52788 76914 79182 153828 158364 226469 354659 452938 679407 709318 905876 1063977 1358814 1418636 2038221 2127954 2717628 3191931 4076442 4255908 6383862 8152884 12767724 18796927 37593854 56390781 75187708 112781562 169172343 225563124 338344686 676689372