Base | Representation |
---|---|
bin | 100111000000… |
… | …0101010101010 |
3 | 1102110222002000 |
4 | 1032000222222 |
5 | 20213344322 |
6 | 2010151430 |
7 | 335551611 |
oct | 116005252 |
9 | 42428060 |
10 | 20449962 |
11 | 105a83a5 |
12 | 6a22576 |
13 | 4310190 |
14 | 2a04878 |
15 | 1bde3ac |
hex | 1380aaa |
20449962 has 32 divisors (see below), whose sum is σ = 48941760. Its totient is φ = 6292080.
The previous prime is 20449951. The next prime is 20449969. The reversal of 20449962 is 26994402.
It is not an unprimeable number, because it can be changed into a prime (20449969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13864 + ... + 15267.
It is an arithmetic number, because the mean of its divisors is an integer number (1529430).
Almost surely, 220449962 is an apocalyptic number.
20449962 is an abundant number, since it is smaller than the sum of its proper divisors (28491798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20449962 is a wasteful number, since it uses less digits than its factorization.
20449962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29155 (or 29149 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 20449962 is about 4522.1634203111. The cubic root of 20449962 is about 273.4623249320.
The spelling of 20449962 in words is "twenty million, four hundred forty-nine thousand, nine hundred sixty-two".
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