Search a number
-
+
682754813 = 1352519601
BaseRepresentation
bin101000101100100…
…000001011111101
31202120201112112022
4220230200023331
52344241123223
6151425445525
722630214546
oct5054401375
91676645468
10682754813
11320440884
121707a08a5
13ab5b1b40
14669694cd
153ee17ac8
hex28b202fd

682754813 has 4 divisors (see below), whose sum is σ = 735274428. Its totient is φ = 630235200.

The previous prime is 682754791. The next prime is 682754843. The reversal of 682754813 is 318457286.

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

It can be written as a sum of positive squares in 2 ways, for example, as 348120964 + 334633849 = 18658^2 + 18293^2 .

It is a cyclic number.

It is not a de Polignac number, because 682754813 - 26 = 682754749 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 (682754843) 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, 26259788 + ... + 26259813.

It is an arithmetic number, because the mean of its divisors is an integer number (183818607).

Almost surely, 2682754813 is an apocalyptic number.

It is an amenable number.

682754813 is a deficient number, since it is larger than the sum of its proper divisors (52519615).

682754813 is a wasteful number, since it uses less digits than its factorization.

682754813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52519614.

The product of its digits is 322560, while the sum is 44.

The square root of 682754813 is about 26129.5773597661. The cubic root of 682754813 is about 880.5518289050.

The spelling of 682754813 in words is "six hundred eighty-two million, seven hundred fifty-four thousand, eight hundred thirteen".

Divisors: 1 13 52519601 682754813