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808440008 = 23101055001
BaseRepresentation
bin110000001011111…
…101000011001000
32002100020000012112
4300023331003020
53123430040013
6212115401452
726014424645
oct6013750310
92070200175
10808440008
11385385a42
121a68b3288
13cb64968c
1479524dcc
154ae92ba8
hex302fd0c8

808440008 has 8 divisors (see below), whose sum is σ = 1515825030. Its totient is φ = 404220000.

The previous prime is 808439999. The next prime is 808440013. The reversal of 808440008 is 800044808.

It can be written as a sum of positive squares in only one way, i.e., 418693444 + 389746564 = 20462^2 + 19742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50527493 + ... + 50527508.

Almost surely, 2808440008 is an apocalyptic number.

It is an amenable number.

808440008 is a deficient number, since it is larger than the sum of its proper divisors (707385022).

808440008 is a wasteful number, since it uses less digits than its factorization.

808440008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101055007 (or 101055003 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 808440008 is about 28433.0794674091. The cubic root of 808440008 is about 931.5709403060.

The spelling of 808440008 in words is "eight hundred eight million, four hundred forty thousand, eight".

Divisors: 1 2 4 8 101055001 202110002 404220004 808440008