Base | Representation |
---|---|
bin | 1010011011110… |
… | …11010100101100 |
3 | 20002201100002220 |
4 | 11031323110230 |
5 | 134402140230 |
6 | 12404115340 |
7 | 2112023511 |
oct | 515732454 |
9 | 202640086 |
10 | 87536940 |
11 | 45459887 |
12 | 25395b50 |
13 | 1519bb0a |
14 | b8a9308 |
15 | 7a41d10 |
hex | 537b52c |
87536940 has 48 divisors (see below), whose sum is σ = 245857248. Its totient is φ = 23271424.
The previous prime is 87536923. The next prime is 87536941. The reversal of 87536940 is 4963578.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 87536892 and 87536901.
It is not an unprimeable number, because it can be changed into a prime (87536941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19114 + ... + 23246.
It is an arithmetic number, because the mean of its divisors is an integer number (5122026).
Almost surely, 287536940 is an apocalyptic number.
It is an amenable number.
87536940 is an abundant number, since it is smaller than the sum of its proper divisors (158320308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87536940 is a wasteful number, since it uses less digits than its factorization.
87536940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4498 (or 4496 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 87536940 is about 9356.1177846370. The cubic root of 87536940 is about 444.0144666985.
The spelling of 87536940 in words is "eighty-seven million, five hundred thirty-six thousand, nine hundred forty".
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