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683841 = 3227947
BaseRepresentation
bin10100110111101000001
31021202001110
42212331001
5133340331
622353533
75545464
oct2467501
91252043
10683841
11427864
1228b8a9
131ac352
1413b2db
15d7946
hexa6f41

683841 has 4 divisors (see below), whose sum is σ = 911792. Its totient is φ = 455892.

The previous prime is 683833. The next prime is 683843. The reversal of 683841 is 148386.

It is a happy number.

683841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 683841 - 23 = 683833 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 683799 and 683808.

It is not an unprimeable number, because it can be changed into a prime (683843) 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, 113971 + ... + 113976.

It is an arithmetic number, because the mean of its divisors is an integer number (227948).

2683841 is an apocalyptic number.

It is an amenable number.

683841 is a deficient number, since it is larger than the sum of its proper divisors (227951).

683841 is a wasteful number, since it uses less digits than its factorization.

683841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227950.

The product of its digits is 4608, while the sum is 30.

The square root of 683841 is about 826.9467939354. The cubic root of 683841 is about 88.1018534854.

The spelling of 683841 in words is "six hundred eighty-three thousand, eight hundred forty-one".

Divisors: 1 3 227947 683841