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830404 = 22533917
BaseRepresentation
bin11001010101111000100
31120012002201
43022233010
5203033104
625444244
710026001
oct3125704
91505081
10830404
11517993
12340684
13230c83
141788a8
151160a4
hexcabc4

830404 has 12 divisors (see below), whose sum is σ = 1481004. Its totient is φ = 407264.

The previous prime is 830387. The next prime is 830411. The reversal of 830404 is 404038.

830404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 193600 = 798^2 + 440^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (123417).

2830404 is an apocalyptic number.

It is an amenable number.

830404 is a deficient number, since it is larger than the sum of its proper divisors (650600).

830404 is a wasteful number, since it uses less digits than its factorization.

830404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 830404 is about 911.2650547453. The cubic root of 830404 is about 93.9932091065.

The spelling of 830404 in words is "eight hundred thirty thousand, four hundred four".

Divisors: 1 2 4 53 106 212 3917 7834 15668 207601 415202 830404