Search a number
-
+
683830087 = 1315220077
BaseRepresentation
bin101000110000100…
…110101101000111
31202122202011112021
4220300212231013
52400030030322
6151504504011
722642313503
oct5060465507
91678664467
10683830087
11321005736
1217101b007
13ab89a3b5
1466b69303
154007b4c7
hex28c26b47

683830087 has 4 divisors (see below), whose sum is σ = 689050296. Its totient is φ = 678609880.

The previous prime is 683830067. The next prime is 683830109. The reversal of 683830087 is 780038386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 683830087 - 215 = 683797319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683830027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609908 + ... + 2610169.

It is an arithmetic number, because the mean of its divisors is an integer number (172262574).

Almost surely, 2683830087 is an apocalyptic number.

683830087 is a deficient number, since it is larger than the sum of its proper divisors (5220209).

683830087 is a wasteful number, since it uses less digits than its factorization.

683830087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220208.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 683830087 is about 26150.1450665192. The cubic root of 683830087 is about 881.0138482837.

The spelling of 683830087 in words is "six hundred eighty-three million, eight hundred thirty thousand, eighty-seven".

Divisors: 1 131 5220077 683830087