Base | Representation |
---|---|
bin | 100110101011… |
… | …0001101100100 |
3 | 1102011010112111 |
4 | 1031112031210 |
5 | 20142313233 |
6 | 2002330404 |
7 | 334225621 |
oct | 115261544 |
9 | 42133474 |
10 | 20276068 |
11 | 1049978a |
12 | 6959a04 |
13 | 427bc97 |
14 | 299b348 |
15 | 1ba7acd |
hex | 1356364 |
20276068 has 6 divisors (see below), whose sum is σ = 35483126. Its totient is φ = 10138032.
The previous prime is 20276063. The next prime is 20276083. The reversal of 20276068 is 86067202.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 13264164 + 7011904 = 3642^2 + 2648^2 .
It is a super-2 number, since 2×202760682 = 822237867081248, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20276063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534505 + ... + 2534512.
Almost surely, 220276068 is an apocalyptic number.
It is an amenable number.
20276068 is a deficient number, since it is larger than the sum of its proper divisors (15207058).
20276068 is a wasteful number, since it uses less digits than its factorization.
20276068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5069021 (or 5069019 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 20276068 is about 4502.8955128895. The cubic root of 20276068 is about 272.6849985250.
Subtracting from 20276068 its product of nonzero digits (8064), we obtain a square (20268004 = 45022).
The spelling of 20276068 in words is "twenty million, two hundred seventy-six thousand, sixty-eight".
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