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830013 = 3276671
BaseRepresentation
bin11001010101000111101
31120011120020
43022220331
5203030023
625442353
710024602
oct3125075
91504506
10830013
11517668
123403b9
13230a42
141786a9
15115de3
hexcaa3d

830013 has 4 divisors (see below), whose sum is σ = 1106688. Its totient is φ = 553340.

The previous prime is 830003. The next prime is 830017. The reversal of 830013 is 310038.

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 830013 - 26 = 829949 is a prime.

It is a D-number.

830013 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 829974 and 830001.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 830013.

It is not an unprimeable number, because it can be changed into a prime (830017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138333 + ... + 138338.

It is an arithmetic number, because the mean of its divisors is an integer number (276672).

2830013 is an apocalyptic number.

It is an amenable number.

830013 is a deficient number, since it is larger than the sum of its proper divisors (276675).

830013 is a wasteful number, since it uses less digits than its factorization.

830013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 830013 is about 911.0504925634. The cubic root of 830013 is about 93.9784543950.

The spelling of 830013 in words is "eight hundred thirty thousand, thirteen".

Divisors: 1 3 276671 830013