Base | Representation |
---|---|
bin | 1010000001110… |
… | …0100011110100 |
3 | 2221010212111112 |
4 | 2200130203310 |
5 | 41231410040 |
6 | 4101254152 |
7 | 1020334652 |
oct | 240344364 |
9 | 87125445 |
10 | 42060020 |
11 | 21818352 |
12 | 12104358 |
13 | 89383b2 |
14 | 582bdd2 |
15 | 3a5c365 |
hex | 281c8f4 |
42060020 has 24 divisors (see below), whose sum is σ = 90381984. Its totient is φ = 16432416.
The previous prime is 42060019. The next prime is 42060037. The reversal of 42060020 is 2006024.
It is a junction number, because it is equal to n+sod(n) for n = 42059977 and 42060004.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 23594 + ... + 25313.
It is an arithmetic number, because the mean of its divisors is an integer number (3765916).
Almost surely, 242060020 is an apocalyptic number.
It is an amenable number.
42060020 is an abundant number, since it is smaller than the sum of its proper divisors (48321964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42060020 is a wasteful number, since it uses less digits than its factorization.
42060020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48959 (or 48957 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 42060020 is about 6485.3696887687. The cubic root of 42060020 is about 347.7681659305.
Adding to 42060020 its reverse (2006024), we get a palindrome (44066044).
The spelling of 42060020 in words is "forty-two million, sixty thousand, twenty".
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