Base | Representation |
---|---|
bin | 100111001001… |
… | …1001111010100 |
3 | 1102121211102120 |
4 | 1032103033110 |
5 | 20223313121 |
6 | 2011535540 |
7 | 336316446 |
oct | 116231724 |
9 | 42554376 |
10 | 20526036 |
11 | 1064a573 |
12 | 6a5a5b0 |
13 | 43389ab |
14 | 2a24496 |
15 | 1c06bc6 |
hex | 13933d4 |
20526036 has 24 divisors (see below), whose sum is σ = 47967360. Its totient is φ = 6831552.
The previous prime is 20526031. The next prime is 20526047. The reversal of 20526036 is 63062502.
It is a junction number, because it is equal to n+sod(n) for n = 20525997 and 20526015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20526031) 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, 14805 + ... + 16131.
It is an arithmetic number, because the mean of its divisors is an integer number (1998640).
Almost surely, 220526036 is an apocalyptic number.
It is an amenable number.
20526036 is an abundant number, since it is smaller than the sum of its proper divisors (27441324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20526036 is a wasteful number, since it uses less digits than its factorization.
20526036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2623 (or 2621 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 20526036 is about 4530.5668519513. The cubic root of 20526036 is about 273.8009992346.
Adding to 20526036 its reverse (63062502), we get a palindrome (83588538).
The spelling of 20526036 in words is "twenty million, five hundred twenty-six thousand, thirty-six".
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