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680075350 = 25282116567
BaseRepresentation
bin101000100010010…
…010000001010110
31202101200101222221
4220202102001112
52343044402400
6151252212554
722565354653
oct5042220126
91671611887
10680075350
11319980749
1216b90a15a
13aab84366
146646cc2a
153ea88c1a
hex28892056

680075350 has 24 divisors (see below), whose sum is σ = 1266557328. Its totient is φ = 271682400.

The previous prime is 680075329. The next prime is 680075353. The reversal of 680075350 is 53570086.

It is a happy number.

It is a super-3 number, since 3×6800753503 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680075353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32767 + ... + 49333.

It is an arithmetic number, because the mean of its divisors is an integer number (52773222).

Almost surely, 2680075350 is an apocalyptic number.

680075350 is a deficient number, since it is larger than the sum of its proper divisors (586481978).

680075350 is a wasteful number, since it uses less digits than its factorization.

680075350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400 (or 17395 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 680075350 is about 26078.2543510872. The cubic root of 680075350 is about 879.3984137335.

The spelling of 680075350 in words is "six hundred eighty million, seventy-five thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 821 1642 4105 8210 16567 20525 33134 41050 82835 165670 414175 828350 13601507 27203014 68007535 136015070 340037675 680075350