Base | Representation |
---|---|
bin | 10010110111100… |
… | …11100111111101 |
3 | 102000211200012221 |
4 | 21123303213331 |
5 | 311010044120 |
6 | 23412325341 |
7 | 3631252135 |
oct | 1133634775 |
9 | 360750187 |
10 | 158284285 |
11 | 81390365 |
12 | 45013851 |
13 | 26a3c853 |
14 | 17043ac5 |
15 | dd690aa |
hex | 96f39fd |
158284285 has 8 divisors (see below), whose sum is σ = 190794240. Its totient is φ = 126058704.
The previous prime is 158284283. The next prime is 158284337. The reversal of 158284285 is 582482851.
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 158284285 - 21 = 158284283 is a prime.
It is a super-2 number, since 2×1582842852 = 50107829755922450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158284283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69865 + ... + 72094.
It is an arithmetic number, because the mean of its divisors is an integer number (23849280).
Almost surely, 2158284285 is an apocalyptic number.
It is an amenable number.
158284285 is a deficient number, since it is larger than the sum of its proper divisors (32509955).
158284285 is a wasteful number, since it uses less digits than its factorization.
158284285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142187.
The product of its digits is 204800, while the sum is 43.
The square root of 158284285 is about 12581.1082580192. The cubic root of 158284285 is about 540.9360593556.
The spelling of 158284285 in words is "one hundred fifty-eight million, two hundred eighty-four thousand, two hundred eighty-five".
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