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683081 = 797583
BaseRepresentation
bin10100110110001001001
31021201000022
42212301021
5133324311
622350225
75543330
oct2466111
91251008
10683081
11427233
1228b375
131abbb9
1413ad17
15d75db
hexa6c49

683081 has 4 divisors (see below), whose sum is σ = 780672. Its totient is φ = 585492.

The previous prime is 683071. The next prime is 683083. The reversal of 683081 is 180386.

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 a cyclic number.

It is not a de Polignac number, because 683081 - 214 = 666697 is a prime.

It is a super-2 number, since 2×6830812 = 933199305122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 683081.

It is not an unprimeable number, because it can be changed into a prime (683083) 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, 48785 + ... + 48798.

It is an arithmetic number, because the mean of its divisors is an integer number (195168).

2683081 is an apocalyptic number.

It is an amenable number.

683081 is a deficient number, since it is larger than the sum of its proper divisors (97591).

683081 is an equidigital number, since it uses as much as digits as its factorization.

683081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97590.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 683081 is about 826.4871444856. The cubic root of 683081 is about 88.0692034840.

The spelling of 683081 in words is "six hundred eighty-three thousand, eighty-one".

Divisors: 1 7 97583 683081