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804430 = 251171103
BaseRepresentation
bin11000100011001001110
31111212110201
43010121032
5201220210
625124114
76560164
oct3043116
91455421
10804430
114aa420
1232963a
132221c3
1416d234
1510d53a
hexc464e

804430 has 32 divisors (see below), whose sum is σ = 1617408. Its totient is φ = 285600.

The previous prime is 804409. The next prime is 804443. The reversal of 804430 is 34408.

804430 = T4 + T5 + ... + T168.

It is a junction number, because it is equal to n+sod(n) for n = 804398 and 804407.

It is a congruent number.

It is an unprimeable number.

804430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7759 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (50544).

2804430 is an apocalyptic number.

804430 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.

804430 is a wasteful number, since it uses less digits than its factorization.

804430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

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

The square root of 804430 is about 896.9002174155. The cubic root of 804430 is about 93.0028133423.

Adding to 804430 its reverse (34408), we get a palindrome (838838).

The spelling of 804430 in words is "eight hundred four thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 71 103 110 142 206 355 515 710 781 1030 1133 1562 2266 3905 5665 7313 7810 11330 14626 36565 73130 80443 160886 402215 804430