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830347 = 7118621
BaseRepresentation
bin11001010101110001011
31120012000121
43022232023
5203032342
625444111
710025560
oct3125613
91505017
10830347
11517941
12340637
13230c3b
14178867
15116067
hexcab8b

830347 has 4 divisors (see below), whose sum is σ = 948976. Its totient is φ = 711720.

The previous prime is 830341. The next prime is 830353. The reversal of 830347 is 743038.

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

It is an interprime number because it is at equal distance from previous prime (830341) and next prime (830353).

It is a cyclic number.

It is not a de Polignac number, because 830347 - 23 = 830339 is a prime.

It is a super-3 number, since 3×8303473 = 1717513334280575769, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 83 + 32 + 37 + 0 + 46 + 77 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (830341) 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, 59304 + ... + 59317.

It is an arithmetic number, because the mean of its divisors is an integer number (237244).

2830347 is an apocalyptic number.

830347 is a deficient number, since it is larger than the sum of its proper divisors (118629).

830347 is a wasteful number, since it uses less digits than its factorization.

830347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118628.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 830347 is about 911.2337790051. The cubic root of 830347 is about 93.9910584523.

The spelling of 830347 in words is "eight hundred thirty thousand, three hundred forty-seven".

Divisors: 1 7 118621 830347