Search a number
-
+
680212008 = 2332719251283
BaseRepresentation
bin101000100010110…
…011011000101000
31202101221100110100
4220202303120220
52343113241013
6151255145400
722566464250
oct5042633050
91671840410
10680212008
11319a64393
1216b975260
13aac01618
14664a6960
153eab4473
hex288b3628

680212008 has 192 divisors, whose sum is σ = 2232921600. Its totient is φ = 182736000.

The previous prime is 680211997. The next prime is 680212009. The reversal of 680212008 is 800212086.

It is not an unprimeable number, because it can be changed into a prime (680212009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2403435 + ... + 2403717.

It is an arithmetic number, because the mean of its divisors is an integer number (11629800).

Almost surely, 2680212008 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 680212008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116460800).

680212008 is an abundant number, since it is smaller than the sum of its proper divisors (1552709592).

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

680212008 is a wasteful number, since it uses less digits than its factorization.

680212008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 680212008 is about 26080.8743718457. The cubic root of 680212008 is about 879.4573134715.

The spelling of 680212008 in words is "six hundred eighty million, two hundred twelve thousand, eight".