Search a number
-
+
680075558 = 2932336473
BaseRepresentation
bin101000100010010…
…010000100100110
31202101200102021122
4220202102010212
52343044404213
6151252213542
722565355401
oct5042220446
91671612248
10680075558
11319980918
1216b90a2b2
13aab84496
146646cd38
153ea88d08
hex28892126

680075558 has 8 divisors (see below), whose sum is σ = 1020250728. Its totient is φ = 339991984.

The previous prime is 680075453. The next prime is 680075563. The reversal of 680075558 is 855570086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×6800755583 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 410 + ... + 36882.

It is an arithmetic number, because the mean of its divisors is an integer number (127531341).

Almost surely, 2680075558 is an apocalyptic number.

680075558 is a deficient number, since it is larger than the sum of its proper divisors (340175170).

680075558 is a wasteful number, since it uses less digits than its factorization.

680075558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45798.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 680075558 is about 26078.2583390839. The cubic root of 680075558 is about 879.3985033878.

The spelling of 680075558 in words is "six hundred eighty million, seventy-five thousand, five hundred fifty-eight".

Divisors: 1 2 9323 18646 36473 72946 340037779 680075558