Base | Representation |
---|---|
bin | 11000101011111… |
… | …01110100101101 |
3 | 112102200000000002 |
4 | 30111331310231 |
5 | 411003203340 |
6 | 32314314045 |
7 | 5063122622 |
oct | 1425756455 |
9 | 472600002 |
10 | 207084845 |
11 | a6991a00 |
12 | 59428925 |
13 | 33b98016 |
14 | 1d708349 |
15 | 132a8715 |
hex | c57dd2d |
207084845 has 24 divisors (see below), whose sum is σ = 275932440. Its totient is φ = 149072000.
The previous prime is 207084811. The next prime is 207084851. The reversal of 207084845 is 548480702.
It can be written as a sum of positive squares in 4 ways, for example, as 131377444 + 75707401 = 11462^2 + 8701^2 .
It is not a de Polignac number, because 207084845 - 28 = 207084589 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 207084799 and 207084808.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59411 + ... + 62799.
It is an arithmetic number, because the mean of its divisors is an integer number (11497185).
Almost surely, 2207084845 is an apocalyptic number.
It is an amenable number.
207084845 is a deficient number, since it is larger than the sum of its proper divisors (68847595).
207084845 is a wasteful number, since it uses less digits than its factorization.
207084845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3517 (or 3506 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 38.
The square root of 207084845 is about 14390.4428354377. The cubic root of 207084845 is about 591.6289800325.
The spelling of 207084845 in words is "two hundred seven million, eighty-four thousand, eight hundred forty-five".
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