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830406 = 23138401
BaseRepresentation
bin11001010101111000110
31120012002210
43022233012
5203033111
625444250
710026003
oct3125706
91505083
10830406
11517995
12340686
13230c85
141788aa
151160a6
hexcabc6

830406 has 8 divisors (see below), whose sum is σ = 1660824. Its totient is φ = 276800.

The previous prime is 830387. The next prime is 830411. The reversal of 830406 is 604038.

It is a sphenic number, since it is the product of 3 distinct primes.

830406 is an admirable number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

830406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 69195 + ... + 69206.

It is an arithmetic number, because the mean of its divisors is an integer number (207603).

2830406 is an apocalyptic number.

830406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830406 is a wasteful number, since it uses less digits than its factorization.

830406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138406.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 830406 is about 911.2661521202. The cubic root of 830406 is about 93.9932845663.

The spelling of 830406 in words is "eight hundred thirty thousand, four hundred six".

Divisors: 1 2 3 6 138401 276802 415203 830406