Base | Representation |
---|---|
bin | 111101101101111… |
… | …0011101010001001 |
3 | 12100022201221222100 |
4 | 1323123303222021 |
5 | 13220121341144 |
6 | 541254144013 |
7 | 102214151400 |
oct | 17333635211 |
9 | 5308657870 |
10 | 2070887049 |
11 | 972a64100 |
12 | 499652009 |
13 | 27006686a |
14 | 15906c637 |
15 | c1c16269 |
hex | 7b6f3a89 |
2070887049 has 81 divisors (see below), whose sum is σ = 3844256871. Its totient is φ = 1070324640.
The previous prime is 2070887029. The next prime is 2070887051. The reversal of 2070887049 is 9407880702.
The square root of 2070887049 is 45507.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2029052025 + 41835024 = 45045^2 + 6468^2 .
It is not a de Polignac number, because 2070887049 - 27 = 2070886921 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2070886995 and 2070887013.
It is not an unprimeable number, because it can be changed into a prime (2070887029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10512019 + ... + 10512215.
Almost surely, 22070887049 is an apocalyptic number.
2070887049 is the 45507-th square number.
2070887049 is the 22754-th centered octagonal number.
It is an amenable number.
2070887049 is a deficient number, since it is larger than the sum of its proper divisors (1773369822).
2070887049 is a wasteful number, since it uses less digits than its factorization.
2070887049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 436 (or 218 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The cubic root of 2070887049 is about 1274.6339175059.
The spelling of 2070887049 in words is "two billion, seventy million, eight hundred eighty-seven thousand, forty-nine".
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