Base | Representation |
---|---|
bin | 101111101101111… |
… | …011011100101011 |
3 | 2001210102010101120 |
4 | 233231323130223 |
5 | 3114421203011 |
6 | 211234550323 |
7 | 25560503535 |
oct | 5755733453 |
9 | 2053363346 |
10 | 800569131 |
11 | 38099a48a |
12 | 1a41383a3 |
13 | c9b21c5b |
14 | 78476855 |
15 | 4a43aa06 |
hex | 2fb7b72b |
800569131 has 8 divisors (see below), whose sum is σ = 1083357504. Its totient is φ = 525746760.
The previous prime is 800569129. The next prime is 800569193. The reversal of 800569131 is 131965008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 800569131 - 21 = 800569129 is a prime.
It is a super-2 number, since 2×8005691312 = 1281821867020190322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 800569092 and 800569101.
It is not an unprimeable number, because it can be changed into a prime (800569031) 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, 1991265 + ... + 1991666.
It is an arithmetic number, because the mean of its divisors is an integer number (135419688).
Almost surely, 2800569131 is an apocalyptic number.
800569131 is a deficient number, since it is larger than the sum of its proper divisors (282788373).
800569131 is a wasteful number, since it uses less digits than its factorization.
800569131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3983001.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 800569131 is about 28294.3303684678. The cubic root of 800569131 is about 928.5378538810.
The spelling of 800569131 in words is "eight hundred million, five hundred sixty-nine thousand, one hundred thirty-one".
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