Base | Representation |
---|---|
bin | 100110111101… |
… | …0100101100110 |
3 | 1102102200220210 |
4 | 1031322211212 |
5 | 20212100222 |
6 | 2005440250 |
7 | 335416200 |
oct | 115724546 |
9 | 42380823 |
10 | 20425062 |
11 | 10590719 |
12 | 6a10086 |
13 | 4301a48 |
14 | 29d9770 |
15 | 1bd6d0c |
hex | 137a966 |
20425062 has 24 divisors (see below), whose sum is σ = 47520216. Its totient is φ = 5835648.
The previous prime is 20425049. The next prime is 20425091. The reversal of 20425062 is 26052402.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34443 + ... + 35030.
It is an arithmetic number, because the mean of its divisors is an integer number (1980009).
Almost surely, 220425062 is an apocalyptic number.
20425062 is an abundant number, since it is smaller than the sum of its proper divisors (27095154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20425062 is a wasteful number, since it uses less digits than its factorization.
20425062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69492 (or 69485 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 20425062 is about 4519.4094746991. The cubic root of 20425062 is about 273.3512900491.
Adding to 20425062 its reverse (26052402), we get a palindrome (46477464).
The spelling of 20425062 in words is "twenty million, four hundred twenty-five thousand, sixty-two".
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