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809468 = 221118397
BaseRepresentation
bin11000101100111111100
31112010101022
43011213330
5201400333
625203312
76610652
oct3054774
91463338
10809468
11503190
12330538
1322459a
14170dd2
1510ec98
hexc59fc

809468 has 12 divisors (see below), whose sum is σ = 1545432. Its totient is φ = 367920.

The previous prime is 809461. The next prime is 809491. The reversal of 809468 is 864908.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9155 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (128786).

2809468 is an apocalyptic number.

It is an amenable number.

809468 is a deficient number, since it is larger than the sum of its proper divisors (735964).

809468 is a wasteful number, since it uses less digits than its factorization.

809468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18412 (or 18410 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 809468 is about 899.7043958990. The cubic root of 809468 is about 93.1965627128.

The spelling of 809468 in words is "eight hundred nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 11 22 44 18397 36794 73588 202367 404734 809468