Base | Representation |
---|---|
bin | 10000011011111… |
… | …11010111010110 |
3 | 100121110021212010 |
4 | 20031333113112 |
5 | 240244311032 |
6 | 21403205050 |
7 | 3263001333 |
oct | 1015772726 |
9 | 317407763 |
10 | 137885142 |
11 | 7091816a |
12 | 3a216786 |
13 | 22749855 |
14 | 1445398a |
15 | c189ccc |
hex | 837f5d6 |
137885142 has 8 divisors (see below), whose sum is σ = 275770296. Its totient is φ = 45961712.
The previous prime is 137885141. The next prime is 137885149. The reversal of 137885142 is 241588731.
It is a sphenic number, since it is the product of 3 distinct primes.
137885142 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 137885142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137885141) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 11490423 + ... + 11490434.
It is an arithmetic number, because the mean of its divisors is an integer number (34471287).
Almost surely, 2137885142 is an apocalyptic number.
137885142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137885142 is a wasteful number, since it uses less digits than its factorization.
137885142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22980862.
The product of its digits is 53760, while the sum is 39.
The square root of 137885142 is about 11742.4504256991. The cubic root of 137885142 is about 516.6215168778.
The spelling of 137885142 in words is "one hundred thirty-seven million, eight hundred eighty-five thousand, one hundred forty-two".
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