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809342115 = 354710710729
BaseRepresentation
bin110000001111011…
…001010010100011
32002101220211122220
4300033121102203
53124142421430
6212151002123
726025203001
oct6017312243
92071824586
10809342115
1138594178a
121a7069343
13cb8a417a
14796bba71
154b0c0110
hex303d94a3

809342115 has 32 divisors (see below), whose sum is σ = 1334983680. Its totient is φ = 418477824.

The previous prime is 809342089. The next prime is 809342129. The reversal of 809342115 is 511243908.

It is not a de Polignac number, because 809342115 - 28 = 809341859 is a prime.

It is a super-2 number, since 2×8093421152 = 1310069318225346450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70071 + ... + 80799.

It is an arithmetic number, because the mean of its divisors is an integer number (41718240).

Almost surely, 2809342115 is an apocalyptic number.

809342115 is a deficient number, since it is larger than the sum of its proper divisors (525641565).

809342115 is a wasteful number, since it uses less digits than its factorization.

809342115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 809342115 is about 28448.9387324027. The cubic root of 809342115 is about 931.9173128549.

The spelling of 809342115 in words is "eight hundred nine million, three hundred forty-two thousand, one hundred fifteen".

Divisors: 1 3 5 15 47 107 141 235 321 535 705 1605 5029 10729 15087 25145 32187 53645 75435 160935 504263 1148003 1512789 2521315 3444009 5740015 7563945 17220045 53956141 161868423 269780705 809342115