Base | Representation |
---|---|
bin | 110000001011011… |
… | …000000110000001 |
3 | 2002022221022120100 |
4 | 300023120012001 |
5 | 3123410214031 |
6 | 212112233013 |
7 | 26013224436 |
oct | 6013300601 |
9 | 2068838510 |
10 | 808288641 |
11 | 385292246 |
12 | 1a683b769 |
13 | cb5c5804 |
14 | 794c5b8d |
15 | 4ae62de6 |
hex | 302d8181 |
808288641 has 12 divisors (see below), whose sum is σ = 1174052880. Its totient is φ = 535847640.
The previous prime is 808288639. The next prime is 808288651. The reversal of 808288641 is 146882808.
It is a happy number.
It is not a de Polignac number, because 808288641 - 21 = 808288639 is a prime.
It is not an unprimeable number, because it can be changed into a prime (808288601) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249255 + ... + 252476.
It is an arithmetic number, because the mean of its divisors is an integer number (97837740).
Almost surely, 2808288641 is an apocalyptic number.
It is an amenable number.
808288641 is a deficient number, since it is larger than the sum of its proper divisors (365764239).
808288641 is a wasteful number, since it uses less digits than its factorization.
808288641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501916 (or 501913 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 45.
The square root of 808288641 is about 28430.4175312288. The cubic root of 808288641 is about 931.5127962679.
The spelling of 808288641 in words is "eight hundred eight million, two hundred eighty-eight thousand, six hundred forty-one".
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