Base | Representation |
---|---|
bin | 1010000001010… |
… | …0001011110011 |
3 | 2221002010102222 |
4 | 2200110023303 |
5 | 41224310330 |
6 | 4100431255 |
7 | 1020132644 |
oct | 240241363 |
9 | 87063388 |
10 | 42025715 |
11 | 217a45a6 |
12 | 120a852b |
13 | 89258b4 |
14 | 581d6cb |
15 | 3a520e5 |
hex | 28142f3 |
42025715 has 8 divisors (see below), whose sum is σ = 52623648. Its totient is φ = 32158720.
The previous prime is 42025703. The next prime is 42025723. The reversal of 42025715 is 51752024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42025715 - 24 = 42025699 is a prime.
It is a super-2 number, since 2×420257152 = 3532321442522450, which contains 22 as substring.
It is a Duffinian 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, 182606 + ... + 182835.
It is an arithmetic number, because the mean of its divisors is an integer number (6577956).
Almost surely, 242025715 is an apocalyptic number.
42025715 is a deficient number, since it is larger than the sum of its proper divisors (10597933).
42025715 is a wasteful number, since it uses less digits than its factorization.
42025715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365469.
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 42025715 is about 6482.7243501479. The cubic root of 42025715 is about 347.6735913052.
Adding to 42025715 its reverse (51752024), we get a palindrome (93777739).
The spelling of 42025715 in words is "forty-two million, twenty-five thousand, seven hundred fifteen".
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