Base | Representation |
---|---|
bin | 1010001011010… |
… | …1100000010101 |
3 | 2222022200211221 |
4 | 2202311200111 |
5 | 41411431420 |
6 | 4122530341 |
7 | 1025554252 |
oct | 242654025 |
9 | 88280757 |
10 | 42686485 |
11 | 22105a96 |
12 | 123669b1 |
13 | 8ac759a |
14 | 5952429 |
15 | 3b32caa |
hex | 28b5815 |
42686485 has 8 divisors (see below), whose sum is σ = 51841440. Its totient is φ = 33737424.
The previous prime is 42686477. The next prime is 42686489. The reversal of 42686485 is 58468624.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42686485 - 23 = 42686477 is a prime.
It is a super-3 number, since 3×426864853 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42686489) by changing a digit.
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, 51015 + ... + 51844.
It is an arithmetic number, because the mean of its divisors is an integer number (6480180).
Almost surely, 242686485 is an apocalyptic number.
It is an amenable number.
42686485 is a deficient number, since it is larger than the sum of its proper divisors (9154955).
42686485 is a wasteful number, since it uses less digits than its factorization.
42686485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102947.
The product of its digits is 368640, while the sum is 43.
The square root of 42686485 is about 6533.4894964330. The cubic root of 42686485 is about 349.4862803600.
The spelling of 42686485 in words is "forty-two million, six hundred eighty-six thousand, four hundred eighty-five".
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