Base | Representation |
---|---|
bin | 110000001101100… |
… | …001011000010000 |
3 | 2002100222212220222 |
4 | 300031201120100 |
5 | 3124031212320 |
6 | 212132252212 |
7 | 26021056031 |
oct | 6015413020 |
9 | 2070885828 |
10 | 808850960 |
11 | 385636775 |
12 | 1a6a71068 |
13 | cb761748 |
14 | 795d0a88 |
15 | 4b024825 |
hex | 30361610 |
808850960 has 40 divisors (see below), whose sum is σ = 1887943896. Its totient is φ = 322273280.
The previous prime is 808850929. The next prime is 808850963. The reversal of 808850960 is 69058808.
It can be written as a sum of positive squares in 4 ways, for example, as 101929216 + 706921744 = 10096^2 + 26588^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (808850963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890 + ... + 40230.
Almost surely, 2808850960 is an apocalyptic number.
808850960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
808850960 is an abundant number, since it is smaller than the sum of its proper divisors (1079092936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808850960 is a wasteful number, since it uses less digits than its factorization.
808850960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39611 (or 39605 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 44.
The square root of 808850960 is about 28440.3052023005. The cubic root of 808850960 is about 931.7287611659.
The spelling of 808850960 in words is "eight hundred eight million, eight hundred fifty thousand, nine hundred sixty".
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