Base | Representation |
---|---|
bin | 100111101110… |
… | …0010000001010 |
3 | 1110012000122221 |
4 | 1033130100022 |
5 | 20312400343 |
6 | 2022204254 |
7 | 342003400 |
oct | 117342012 |
9 | 43160587 |
10 | 20825098 |
11 | 10834228 |
12 | 6b8368a |
13 | 4411b58 |
14 | 2aa1470 |
15 | 1c655ed |
hex | 13dc40a |
20825098 has 12 divisors (see below), whose sum is σ = 36337842. Its totient is φ = 8925000.
The previous prime is 20825093. The next prime is 20825099. The reversal of 20825098 is 89052802.
It can be written as a sum of positive squares in only one way, i.e., 13712209 + 7112889 = 3703^2 + 2667^2 .
It is not an unprimeable number, because it can be changed into a prime (20825093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106153 + ... + 106348.
Almost surely, 220825098 is an apocalyptic number.
20825098 is a deficient number, since it is larger than the sum of its proper divisors (15512744).
20825098 is a wasteful number, since it uses less digits than its factorization.
20825098 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212517 (or 212510 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 20825098 is about 4563.4524211391. The cubic root of 20825098 is about 275.1243426674.
The spelling of 20825098 in words is "twenty million, eight hundred twenty-five thousand, ninety-eight".
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