Search a number
-
+
676418688 = 273611659
BaseRepresentation
bin101000010100010…
…101010010000000
31202010210122000000
4220110111102000
52341130344223
6151042000000
722522315101
oct5024252200
91663718000
10676418688
11317903410
1216a646000
13aa1a3b5a
1465b9a3a8
153e5b5543
hex28515480

676418688 has 224 divisors, whose sum is σ = 2207422800. Its totient is φ = 204664320.

The previous prime is 676418683. The next prime is 676418693. The reversal of 676418688 is 886814676.

It is an interprime number because it is at equal distance from previous prime (676418683) and next prime (676418693).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (676418683) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1026103 + ... + 1026761.

Almost surely, 2676418688 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 676418688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103711400).

676418688 is an abundant number, since it is smaller than the sum of its proper divisors (1531004112).

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

676418688 is an equidigital number, since it uses as much as digits as its factorization.

676418688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 675 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 676418688 is about 26008.0504459677. The cubic root of 676418688 is about 877.8194497666.

It can be divided in two parts, 6764 and 18688, that added together give a palindrome (25452).

The spelling of 676418688 in words is "six hundred seventy-six million, four hundred eighteen thousand, six hundred eighty-eight".