Base | Representation |
---|---|
bin | 1010011001100… |
… | …00000001010000 |
3 | 20002010200000001 |
4 | 11030300001100 |
5 | 134312302441 |
6 | 12353335344 |
7 | 2106300325 |
oct | 514600120 |
9 | 202120001 |
10 | 87228496 |
11 | 45269073 |
12 | 25267554 |
13 | 150c15c4 |
14 | b828b4c |
15 | 79d0731 |
hex | 5330050 |
87228496 has 20 divisors (see below), whose sum is σ = 178947252. Its totient is φ = 41048576.
The previous prime is 87228469. The next prime is 87228497. The reversal of 87228496 is 69482278.
It can be written as a sum of positive squares in 2 ways, for example, as 69889600 + 17338896 = 8360^2 + 4164^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87228497) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160075 + ... + 160618.
Almost surely, 287228496 is an apocalyptic number.
It is an amenable number.
87228496 is an abundant number, since it is smaller than the sum of its proper divisors (91718756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87228496 is a wasteful number, since it uses less digits than its factorization.
87228496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320718 (or 320712 counting only the distinct ones).
The product of its digits is 387072, while the sum is 46.
The square root of 87228496 is about 9339.6196924714. The cubic root of 87228496 is about 443.4923451433.
The spelling of 87228496 in words is "eighty-seven million, two hundred twenty-eight thousand, four hundred ninety-six".
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