Base | Representation |
---|---|
bin | 100110110010… |
… | …0101010010010 |
3 | 1102021010201102 |
4 | 1031210222102 |
5 | 20201212000 |
6 | 2003504402 |
7 | 334563305 |
oct | 115445222 |
9 | 42233642 |
10 | 20335250 |
11 | 1052a1a1 |
12 | 6988102 |
13 | 429cbc0 |
14 | 29b4b3c |
15 | 1bba3d5 |
hex | 1364a92 |
20335250 has 32 divisors (see below), whose sum is σ = 41002416. Its totient is φ = 7507200.
The previous prime is 20335229. The next prime is 20335253. The reversal of 20335250 is 5253302.
It can be written as a sum of positive squares in 8 ways, for example, as 2093809 + 18241441 = 1447^2 + 4271^2 .
It is not an unprimeable number, because it can be changed into a prime (20335253) 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 15 ways as a sum of consecutive naturals, for example, 122 + ... + 6378.
Almost surely, 220335250 is an apocalyptic number.
20335250 is an abundant number, since it is smaller than the sum of its proper divisors (20667166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20335250 is a wasteful number, since it uses less digits than its factorization.
20335250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6287 (or 6277 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 20.
The square root of 20335250 is about 4509.4622739302. The cubic root of 20335250 is about 272.9500460957.
Adding to 20335250 its reverse (5253302), we get a palindrome (25588552).
It can be divided in two parts, 203 and 35250, that added together give a palindrome (35453).
The spelling of 20335250 in words is "twenty million, three hundred thirty-five thousand, two hundred fifty".
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