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808740816 = 243131296059
BaseRepresentation
bin110000001101000…
…110011111010000
32002100210021211120
4300031012133100
53124014201231
6212130042240
726020116642
oct6015063720
92070707746
10808740816
11385570a44
121a6a19380
13cb723580
14795a2892
154b001d96
hex303467d0

808740816 has 40 divisors (see below), whose sum is σ = 2249960160. Its totient is φ = 248843136.

The previous prime is 808740809. The next prime is 808740817. The reversal of 808740816 is 618047808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808740817) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 647406 + ... + 648653.

It is an arithmetic number, because the mean of its divisors is an integer number (56249004).

Almost surely, 2808740816 is an apocalyptic number.

It is an amenable number.

808740816 is an abundant number, since it is smaller than the sum of its proper divisors (1441219344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808740816 is a wasteful number, since it uses less digits than its factorization.

808740816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296083 (or 1296077 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 808740816 is about 28438.3687295878. The cubic root of 808740816 is about 931.6864670160.

The spelling of 808740816 in words is "eight hundred eight million, seven hundred forty thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 1296059 2592118 3888177 5184236 7776354 10368472 15552708 16848767 20736944 31105416 33697534 50546301 62210832 67395068 101092602 134790136 202185204 269580272 404370408 808740816