Base | Representation |
---|---|
bin | 110000100100011… |
… | …110100101101101 |
3 | 2002210022121220121 |
4 | 300210132211231 |
5 | 3132101300340 |
6 | 212505244541 |
7 | 26123161630 |
oct | 6044364555 |
9 | 2083277817 |
10 | 814868845 |
11 | 388a7702a |
12 | 1a8a93751 |
13 | cca8a91b |
14 | 7a319c17 |
15 | 4b81294a |
hex | 3091e96d |
814868845 has 16 divisors (see below), whose sum is σ = 1141314048. Its totient is φ = 546877440.
The previous prime is 814868843. The next prime is 814868861. The reversal of 814868845 is 548868418.
814868845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 814868845 - 21 = 814868843 is a prime.
It is a super-2 number, since 2×8148688452 = 1328022469103268050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 814868792 and 814868801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (814868843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246036 + ... + 249325.
It is an arithmetic number, because the mean of its divisors is an integer number (71332128).
Almost surely, 2814868845 is an apocalyptic number.
It is an amenable number.
814868845 is a deficient number, since it is larger than the sum of its proper divisors (326445203).
814868845 is a wasteful number, since it uses less digits than its factorization.
814868845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495420.
The product of its digits is 1966080, while the sum is 52.
The square root of 814868845 is about 28545.9076751817. The cubic root of 814868845 is about 934.0337544945.
The spelling of 814868845 in words is "eight hundred fourteen million, eight hundred sixty-eight thousand, eight hundred forty-five".
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