Base | Representation |
---|---|
bin | 1010001101111… |
… | …0011001111111 |
3 | 2222122012122202 |
4 | 2203132121333 |
5 | 41432312030 |
6 | 4130302115 |
7 | 1030152551 |
oct | 243363177 |
9 | 88565582 |
10 | 42854015 |
11 | 2220a946 |
12 | 1242793b |
13 | 8b55909 |
14 | 59974d1 |
15 | 3b67745 |
hex | 28de67f |
42854015 has 8 divisors (see below), whose sum is σ = 52621008. Its totient is φ = 33485760.
The previous prime is 42853999. The next prime is 42854023. The reversal of 42854015 is 51045824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42854015 - 24 = 42853999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99446 + ... + 99875.
It is an arithmetic number, because the mean of its divisors is an integer number (6577626).
Almost surely, 242854015 is an apocalyptic number.
42854015 is a deficient number, since it is larger than the sum of its proper divisors (9766993).
42854015 is a wasteful number, since it uses less digits than its factorization.
42854015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 199369.
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 42854015 is about 6546.2978086855. The cubic root of 42854015 is about 349.9428886405.
Adding to 42854015 its reverse (51045824), we get a palindrome (93899839).
The spelling of 42854015 in words is "forty-two million, eight hundred fifty-four thousand, fifteen".
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