Search a number
-
+
680410628 = 221271339391
BaseRepresentation
bin101000100011100…
…011111000000100
31202102022102220122
4220203203320010
52343141120003
6151303321112
722601252312
oct5043437004
91672272818
10680410628
1131a08a637
1216ba50198
13aac70b51
14665190b2
153eb03238
hex288e3e04

680410628 has 12 divisors (see below), whose sum is σ = 1200095232. Its totient is φ = 337526280.

The previous prime is 680410609. The next prime is 680410631. The reversal of 680410628 is 826014086.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669188 + ... + 670203.

It is an arithmetic number, because the mean of its divisors is an integer number (100007936).

Almost surely, 2680410628 is an apocalyptic number.

It is an amenable number.

680410628 is a deficient number, since it is larger than the sum of its proper divisors (519684604).

680410628 is a wasteful number, since it uses less digits than its factorization.

680410628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339522 (or 1339520 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 680410628 is about 26084.6818650334. The cubic root of 680410628 is about 879.5429048315.

The spelling of 680410628 in words is "six hundred eighty million, four hundred ten thousand, six hundred twenty-eight".

Divisors: 1 2 4 127 254 508 1339391 2678782 5357564 170102657 340205314 680410628