Base | Representation |
---|---|
bin | 1010011010011… |
… | …11000101000100 |
3 | 20002101010111220 |
4 | 11031033011010 |
5 | 134330340331 |
6 | 12400200340 |
7 | 2110340250 |
oct | 515170504 |
9 | 202333456 |
10 | 87355716 |
11 | 45345708 |
12 | 253090b0 |
13 | 15137496 |
14 | b85d260 |
15 | 7a08296 |
hex | 534f144 |
87355716 has 24 divisors (see below), whose sum is σ = 232948800. Its totient is φ = 24958752.
The previous prime is 87355699. The next prime is 87355717. The reversal of 87355716 is 61755378.
It is a super-2 number, since 2×873557162 = 15262042235745312, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (87355717) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519891 + ... + 520058.
It is an arithmetic number, because the mean of its divisors is an integer number (9706200).
Almost surely, 287355716 is an apocalyptic number.
It is an amenable number.
87355716 is an abundant number, since it is smaller than the sum of its proper divisors (145593084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87355716 is a wasteful number, since it uses less digits than its factorization.
87355716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1039963 (or 1039961 counting only the distinct ones).
The product of its digits is 176400, while the sum is 42.
The square root of 87355716 is about 9346.4279807850. The cubic root of 87355716 is about 443.7078469249.
The spelling of 87355716 in words is "eighty-seven million, three hundred fifty-five thousand, seven hundred sixteen".
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