Base | Representation |
---|---|
bin | 1010000111010… |
… | …1101101110101 |
3 | 2221211102102220 |
4 | 2201311231311 |
5 | 41330101310 |
6 | 4113152553 |
7 | 1023415434 |
oct | 241655565 |
9 | 87742386 |
10 | 42425205 |
11 | 21a47759 |
12 | 1225b759 |
13 | 8a35694 |
14 | 58c511b |
15 | 3ad0670 |
hex | 2875b75 |
42425205 has 16 divisors (see below), whose sum is σ = 70070784. Its totient is φ = 21896640.
The previous prime is 42425203. The next prime is 42425249. The reversal of 42425205 is 50252424.
It is a happy number.
It is not a de Polignac number, because 42425205 - 21 = 42425203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42425203) 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, 45154 + ... + 46083.
It is an arithmetic number, because the mean of its divisors is an integer number (4379424).
Almost surely, 242425205 is an apocalyptic number.
It is an amenable number.
42425205 is a deficient number, since it is larger than the sum of its proper divisors (27645579).
42425205 is a wasteful number, since it uses less digits than its factorization.
42425205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91276.
The product of its (nonzero) digits is 3200, while the sum is 24.
The square root of 42425205 is about 6513.4633644475. The cubic root of 42425205 is about 348.7717628793.
Adding to 42425205 its reverse (50252424), we get a palindrome (92677629).
The spelling of 42425205 in words is "forty-two million, four hundred twenty-five thousand, two hundred five".
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