Base | Representation |
---|---|
bin | 1010011010011… |
… | …10111101011001 |
3 | 20002101002211201 |
4 | 11031032331121 |
5 | 134330331400 |
6 | 12400154201 |
7 | 2110335646 |
oct | 515167531 |
9 | 202332751 |
10 | 87355225 |
11 | 45345301 |
12 | 25308961 |
13 | 151371a9 |
14 | b85cdcd |
15 | 7a0806a |
hex | 534ef59 |
87355225 has 6 divisors (see below), whose sum is σ = 108320510. Its totient is φ = 69884160.
The previous prime is 87355211. The next prime is 87355237. The reversal of 87355225 is 52255378.
It can be written as a sum of positive squares in 3 ways, for example, as 1774224 + 85581001 = 1332^2 + 9251^2 .
It is not a de Polignac number, because 87355225 - 27 = 87355097 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1747080 + ... + 1747129.
Almost surely, 287355225 is an apocalyptic number.
It is an amenable number.
87355225 is a deficient number, since it is larger than the sum of its proper divisors (20965285).
87355225 is a wasteful number, since it uses less digits than its factorization.
87355225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3494219 (or 3494214 counting only the distinct ones).
The product of its digits is 84000, while the sum is 37.
The square root of 87355225 is about 9346.4017140288. The cubic root of 87355225 is about 443.7070156076.
The spelling of 87355225 in words is "eighty-seven million, three hundred fifty-five thousand, two hundred twenty-five".
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