Base | Representation |
---|---|
bin | 110000000110010… |
… | …111101000011001 |
3 | 2002020110121222221 |
4 | 300012113220121 |
5 | 3123041213100 |
6 | 212024144041 |
7 | 25666116532 |
oct | 6006275031 |
9 | 2066417887 |
10 | 806976025 |
11 | 384576039 |
12 | 1a6308021 |
13 | cb25620b |
14 | 79263689 |
15 | 4aca401a |
hex | 30197a19 |
806976025 has 12 divisors (see below), whose sum is σ = 1005735852. Its totient is φ = 642299840.
The previous prime is 806976019. The next prime is 806976029. The reversal of 806976025 is 520679608.
It can be written as a sum of positive squares in 6 ways, for example, as 170877184 + 636098841 = 13072^2 + 25221^2 .
It is not a de Polignac number, because 806976025 - 23 = 806976017 is a prime.
It is a super-3 number, since 3×8069760253 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (806976029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77002 + ... + 86851.
It is an arithmetic number, because the mean of its divisors is an integer number (83811321).
Almost surely, 2806976025 is an apocalyptic number.
It is an amenable number.
806976025 is a deficient number, since it is larger than the sum of its proper divisors (198759827).
806976025 is a wasteful number, since it uses less digits than its factorization.
806976025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164060 (or 164055 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 806976025 is about 28407.3234395640. The cubic root of 806976025 is about 931.0082813326.
The spelling of 806976025 in words is "eight hundred six million, nine hundred seventy-six thousand, twenty-five".
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