Base | Representation |
---|---|
bin | 100110101011… |
… | …1111001000110 |
3 | 1102011110222101 |
4 | 1031113321012 |
5 | 20143023300 |
6 | 2002422314 |
7 | 334254652 |
oct | 115277106 |
9 | 42143871 |
10 | 20282950 |
11 | 104a3976 |
12 | 696199a |
13 | 428215c |
14 | 299da62 |
15 | 1ba9b6a |
hex | 1357e46 |
20282950 has 12 divisors (see below), whose sum is σ = 37726380. Its totient is φ = 8113160.
The previous prime is 20282939. The next prime is 20282957. The reversal of 20282950 is 5928202.
It is a super-2 number, since 2×202829502 = 822796121405000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20282957) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202780 + ... + 202879.
It is an arithmetic number, because the mean of its divisors is an integer number (3143865).
Almost surely, 220282950 is an apocalyptic number.
20282950 is a deficient number, since it is larger than the sum of its proper divisors (17443430).
20282950 is a wasteful number, since it uses less digits than its factorization.
20282950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405671 (or 405666 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 20282950 is about 4503.6596230177. The cubic root of 20282950 is about 272.7158461543.
The spelling of 20282950 in words is "twenty million, two hundred eighty-two thousand, nine hundred fifty".
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