Base | Representation |
---|---|
bin | 1010011100000… |
… | …00011111110100 |
3 | 20002202102011210 |
4 | 11032000133310 |
5 | 134403330012 |
6 | 12404401420 |
7 | 2112142344 |
oct | 516003764 |
9 | 202672153 |
10 | 87558132 |
11 | 454737a2 |
12 | 253a6270 |
13 | 151a865c |
14 | b8b2d24 |
15 | 7a4823c |
hex | 53807f4 |
87558132 has 24 divisors (see below), whose sum is σ = 209825056. Its totient is φ = 28397088.
The previous prime is 87558131. The next prime is 87558139. The reversal of 87558132 is 23185578.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87558131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98158 + ... + 99045.
Almost surely, 287558132 is an apocalyptic number.
It is an amenable number.
87558132 is an abundant number, since it is smaller than the sum of its proper divisors (122266924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87558132 is a wasteful number, since it uses less digits than its factorization.
87558132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197247 (or 197245 counting only the distinct ones).
The product of its digits is 67200, while the sum is 39.
The square root of 87558132 is about 9357.2502371156. The cubic root of 87558132 is about 444.0502946029.
The spelling of 87558132 in words is "eighty-seven million, five hundred fifty-eight thousand, one hundred thirty-two".
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