Base | Representation |
---|---|
bin | 110000001011110… |
… | …001110110101111 |
3 | 2002100010200022102 |
4 | 300023301312233 |
5 | 3123422103114 |
6 | 212114405315 |
7 | 26014144166 |
oct | 6013616657 |
9 | 2070120272 |
10 | 808394159 |
11 | 385354551 |
12 | 1a689083b |
13 | cb631851 |
14 | 795123dd |
15 | 4ae842de |
hex | 302f1daf |
808394159 has 6 divisors (see below), whose sum is σ = 853180920. Its totient is φ = 765846756.
The previous prime is 808394101. The next prime is 808394173. The reversal of 808394159 is 951493808.
It is not a de Polignac number, because 808394159 - 228 = 539958703 is a prime.
It is a super-2 number, since 2×8083941592 = 1307002232610634562, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808394359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119299 + ... + 1120020.
It is an arithmetic number, because the mean of its divisors is an integer number (142196820).
Almost surely, 2808394159 is an apocalyptic number.
808394159 is a deficient number, since it is larger than the sum of its proper divisors (44786761).
808394159 is a wasteful number, since it uses less digits than its factorization.
808394159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2239357 (or 2239338 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 47.
The square root of 808394159 is about 28432.2731943825. The cubic root of 808394159 is about 931.5533292679.
The spelling of 808394159 in words is "eight hundred eight million, three hundred ninety-four thousand, one hundred fifty-nine".
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