Base | Representation |
---|---|
bin | 100110001110… |
… | …0001100110010 |
3 | 1101201001120211 |
4 | 1030130030302 |
5 | 20112212300 |
6 | 1553254334 |
7 | 332216065 |
oct | 114341462 |
9 | 41631524 |
10 | 20038450 |
11 | 10347203 |
12 | 68643aa |
13 | 41c7a93 |
14 | 29388dc |
15 | 1b5c4ba |
hex | 131c332 |
20038450 has 24 divisors (see below), whose sum is σ = 38068992. Its totient is φ = 7843920.
The previous prime is 20038433. The next prime is 20038453. The reversal of 20038450 is 5483002.
It is not an unprimeable number, because it can be changed into a prime (20038453) 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 11 ways as a sum of consecutive naturals, for example, 1914 + ... + 6613.
It is an arithmetic number, because the mean of its divisors is an integer number (1586208).
Almost surely, 220038450 is an apocalyptic number.
20038450 is a deficient number, since it is larger than the sum of its proper divisors (18030542).
20038450 is a wasteful number, since it uses less digits than its factorization.
20038450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8586 (or 8581 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 20038450 is about 4476.4327315397. The cubic root of 20038450 is about 271.6155992351.
The spelling of 20038450 in words is "twenty million, thirty-eight thousand, four hundred fifty".
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