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808430 = 25711549
BaseRepresentation
bin11000101010111101110
31112001221212
43011113232
5201332210
625154422
76604640
oct3052756
91461855
10808430
11502427
1232ba12
13223c7c
14170890
1510e805
hexc55ee

808430 has 16 divisors (see below), whose sum is σ = 1663200. Its totient is φ = 277152.

The previous prime is 808421. The next prime is 808439. The reversal of 808430 is 34808.

It is an interprime number because it is at equal distance from previous prime (808421) and next prime (808439).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 808396 and 808405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808439) by changing a digit.

808430 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 7 ways as a sum of consecutive naturals, for example, 5705 + ... + 5844.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

2808430 is an apocalyptic number.

808430 is an abundant number, since it is smaller than the sum of its proper divisors (854770).

It is a weird number, because it is abundant, but not a pseudoperfect number.

808430 is a wasteful number, since it uses less digits than its factorization.

808430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11563.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 808430 is about 899.1273547168. The cubic root of 808430 is about 93.1567096195.

The spelling of 808430 in words is "eight hundred eight thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 11549 23098 57745 80843 115490 161686 404215 808430