Base | Representation |
---|---|
bin | 1010000110101… |
… | …0011100010011 |
3 | 2221202002002121 |
4 | 2201222130103 |
5 | 41322112102 |
6 | 4112155111 |
7 | 1023134005 |
oct | 241523423 |
9 | 87662077 |
10 | 42379027 |
11 | 21a15a99 |
12 | 12238a97 |
13 | 8a1a662 |
14 | 58b2375 |
15 | 3ac1b37 |
hex | 286a713 |
42379027 has 4 divisors (see below), whose sum is σ = 42663600. Its totient is φ = 42094456.
The previous prime is 42379021. The next prime is 42379039. The reversal of 42379027 is 72097324.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42379027 - 27 = 42378899 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42378983 and 42379001.
It is not an unprimeable number, because it can be changed into a prime (42379021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142063 + ... + 142360.
It is an arithmetic number, because the mean of its divisors is an integer number (10665900).
Almost surely, 242379027 is an apocalyptic number.
42379027 is a deficient number, since it is larger than the sum of its proper divisors (284573).
42379027 is a wasteful number, since it uses less digits than its factorization.
42379027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284572.
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 42379027 is about 6509.9175878040. The cubic root of 42379027 is about 348.6451759489.
The spelling of 42379027 in words is "forty-two million, three hundred seventy-nine thousand, twenty-seven".
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