Search a number
-
+
680572775 = 5227222911
BaseRepresentation
bin101000100100001…
…011011101100111
31202102121200100002
4220210023131213
52343211312100
6151311011515
722602526121
oct5044133547
91672550302
10680572775
1131a190443
1216bb09b9b
13aacc98ac
146655c211
153eb362d5
hex2890b767

680572775 has 6 divisors (see below), whose sum is σ = 843910272. Its totient is φ = 544458200.

The previous prime is 680572771. The next prime is 680572793. The reversal of 680572775 is 577275086.

It is a happy number.

680572775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680572775 - 22 = 680572771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680572771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13611431 + ... + 13611480.

It is an arithmetic number, because the mean of its divisors is an integer number (140651712).

Almost surely, 2680572775 is an apocalyptic number.

680572775 is a deficient number, since it is larger than the sum of its proper divisors (163337497).

680572775 is a wasteful number, since it uses less digits than its factorization.

680572775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27222921 (or 27222916 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 47.

The square root of 680572775 is about 26087.7897683955. The cubic root of 680572775 is about 879.6127665249.

The spelling of 680572775 in words is "six hundred eighty million, five hundred seventy-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 27222911 136114555 680572775