Search a number
-
+
686484482 = 21049327209
BaseRepresentation
bin101000111010101…
…110110000000010
31202211202000200012
4220322232300002
52401220000412
6152041424522
723004010325
oct5072566002
91684660605
10686484482
11322558a52
12171a9b142
13ac2b9648
146725a7bc
1540402c22
hex28eaec02

686484482 has 8 divisors (see below), whose sum is σ = 1030711500. Its totient is φ = 342913984.

The previous prime is 686484439. The next prime is 686484499. The reversal of 686484482 is 284484686.

It can be written as a sum of positive squares in 2 ways, for example, as 453647401 + 232837081 = 21299^2 + 15259^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 686484482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161507 + ... + 165702.

Almost surely, 2686484482 is an apocalyptic number.

686484482 is a deficient number, since it is larger than the sum of its proper divisors (344227018).

686484482 is a wasteful number, since it uses less digits than its factorization.

686484482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328260.

The product of its digits is 2359296, while the sum is 50.

The square root of 686484482 is about 26200.8488793779. The cubic root of 686484482 is about 882.1523082011.

The spelling of 686484482 in words is "six hundred eighty-six million, four hundred eighty-four thousand, four hundred eighty-two".

Divisors: 1 2 1049 2098 327209 654418 343242241 686484482