Base | Representation |
---|---|
bin | 1010000100000… |
… | …0010101100010 |
3 | 2221102022112000 |
4 | 2201000111202 |
5 | 41301102222 |
6 | 4104344430 |
7 | 1021515126 |
oct | 241002542 |
9 | 87368460 |
10 | 42206562 |
11 | 21908462 |
12 | 12175116 |
13 | 8989cc8 |
14 | 5869586 |
15 | 3a8a9ac |
hex | 2840562 |
42206562 has 64 divisors (see below), whose sum is σ = 101990400. Its totient is φ = 12888720.
The previous prime is 42206561. The next prime is 42206569. The reversal of 42206562 is 26560224.
42206562 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 656 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (42206561) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31143 + ... + 32469.
It is an arithmetic number, because the mean of its divisors is an integer number (1593600).
Almost surely, 242206562 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42206562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50995200).
42206562 is an abundant number, since it is smaller than the sum of its proper divisors (59783838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42206562 is a wasteful number, since it uses less digits than its factorization.
42206562 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1388 (or 1382 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 42206562 is about 6496.6577561081. The cubic root of 42206562 is about 348.1715860135.
Adding to 42206562 its reverse (26560224), we get a palindrome (68766786).
The spelling of 42206562 in words is "forty-two million, two hundred six thousand, five hundred sixty-two".
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