Base | Representation |
---|---|
bin | 100111001111… |
… | …1100001110000 |
3 | 1102201101110201 |
4 | 1032133201300 |
5 | 20231420433 |
6 | 2013004544 |
7 | 336616261 |
oct | 116374160 |
9 | 42641421 |
10 | 20576368 |
11 | 1068436a |
12 | 6a83754 |
13 | 4355887 |
14 | 2a38968 |
15 | 1c16a7d |
hex | 139f870 |
20576368 has 40 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 9938880.
The previous prime is 20576363. The next prime is 20576377. The reversal of 20576368 is 86367502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20576363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66871 + ... + 67177.
It is an arithmetic number, because the mean of its divisors is an integer number (1031184).
Almost surely, 220576368 is an apocalyptic number.
It is an amenable number.
20576368 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
20576368 is a wasteful number, since it uses less digits than its factorization.
20576368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445 (or 439 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 20576368 is about 4536.1181642457. The cubic root of 20576368 is about 274.0246128458.
The spelling of 20576368 in words is "twenty million, five hundred seventy-six thousand, three hundred sixty-eight".
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