Base | Representation |
---|---|
bin | 1010011101011… |
… | …01110111000010 |
3 | 20010002212001111 |
4 | 11032231313002 |
5 | 134430301223 |
6 | 12412353534 |
7 | 2113545142 |
oct | 516556702 |
9 | 203085044 |
10 | 87743938 |
11 | 45590357 |
12 | 254758aa |
13 | 152420b9 |
14 | b920922 |
15 | 7a8330d |
hex | 53addc2 |
87743938 has 24 divisors (see below), whose sum is σ = 141590268. Its totient is φ = 40760928.
The previous prime is 87743927. The next prime is 87743941. The reversal of 87743938 is 83934778.
It can be written as a sum of positive squares in 2 ways, for example, as 87740689 + 3249 = 9367^2 + 57^2 .
It is a junction number, because it is equal to n+sod(n) for n = 87743891 and 87743900.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37120 + ... + 39412.
Almost surely, 287743938 is an apocalyptic number.
87743938 is a deficient number, since it is larger than the sum of its proper divisors (53846330).
87743938 is a wasteful number, since it uses less digits than its factorization.
87743938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2386 (or 2367 counting only the distinct ones).
The product of its digits is 1016064, while the sum is 49.
The square root of 87743938 is about 9367.1734263864. The cubic root of 87743938 is about 444.3641771758.
The spelling of 87743938 in words is "eighty-seven million, seven hundred forty-three thousand, nine hundred thirty-eight".
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