Search a number
-
+
684868486 = 2421813383
BaseRepresentation
bin101000110100100…
…100001110000110
31202201200220221111
4220310210032012
52400311242421
6151543035234
722654200061
oct5064441606
91681626844
10684868486
11321654915
1217143bb1a
13abb71c33
1466d598d8
15401d3ee1
hex28d24386

684868486 has 8 divisors (see below), whose sum is σ = 1029744144. Its totient is φ = 341620440.

The previous prime is 684868453. The next prime is 684868529.

684868486 is nontrivially palindromic in base 10.

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 684868486.

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, 405850 + ... + 407533.

It is an arithmetic number, because the mean of its divisors is an integer number (128718018).

Almost surely, 2684868486 is an apocalyptic number.

684868486 is a deficient number, since it is larger than the sum of its proper divisors (344875658).

684868486 is a wasteful number, since it uses less digits than its factorization.

684868486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813806.

The product of its digits is 14155776, while the sum is 58.

The square root of 684868486 is about 26169.9920901784. The cubic root of 684868486 is about 881.4595638895.

The spelling of 684868486 in words is "six hundred eighty-four million, eight hundred sixty-eight thousand, four hundred eighty-six".

Divisors: 1 2 421 842 813383 1626766 342434243 684868486