Base | Representation |
---|---|
bin | 10000011011111… |
… | …11010010101010 |
3 | 100121110021110000 |
4 | 20031333102222 |
5 | 240244303332 |
6 | 21403203430 |
7 | 3263000424 |
oct | 1015772252 |
9 | 317407400 |
10 | 137884842 |
11 | 70917a17 |
12 | 3a216576 |
13 | 22749684 |
14 | 14453814 |
15 | c189b7c |
hex | 837f4aa |
137884842 has 40 divisors (see below), whose sum is σ = 310286592. Its totient is φ = 45765000.
The previous prime is 137884823. The next prime is 137884847. The reversal of 137884842 is 248488731.
It is not an unprimeable number, because it can be changed into a prime (137884847) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38967 + ... + 42357.
Almost surely, 2137884842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 137884842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155143296).
137884842 is an abundant number, since it is smaller than the sum of its proper divisors (172401750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137884842 is a wasteful number, since it uses less digits than its factorization.
137884842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3656 (or 3647 counting only the distinct ones).
The product of its digits is 344064, while the sum is 45.
The square root of 137884842 is about 11742.4376515270. The cubic root of 137884842 is about 516.6211422023.
The spelling of 137884842 in words is "one hundred thirty-seven million, eight hundred eighty-four thousand, eight hundred forty-two".
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