Base | Representation |
---|---|
bin | 1010011101010… |
… | …00110101000101 |
3 | 20010001210210100 |
4 | 11032220311011 |
5 | 134424121313 |
6 | 12412114313 |
7 | 2113431105 |
oct | 516506505 |
9 | 203053710 |
10 | 87723333 |
11 | 45576925 |
12 | 25465999 |
13 | 152358c9 |
14 | b917205 |
15 | 7a7c173 |
hex | 53a8d45 |
87723333 has 6 divisors (see below), whose sum is σ = 126711494. Its totient is φ = 58482216.
The previous prime is 87723331. The next prime is 87723341. The reversal of 87723333 is 33332778.
It can be written as a sum of positive squares in only one way, i.e., 44715969 + 43007364 = 6687^2 + 6558^2 .
It is not a de Polignac number, because 87723333 - 21 = 87723331 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87723331) 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 5 ways as a sum of consecutive naturals, for example, 4873510 + ... + 4873527.
Almost surely, 287723333 is an apocalyptic number.
It is an amenable number.
87723333 is a deficient number, since it is larger than the sum of its proper divisors (38988161).
87723333 is a wasteful number, since it uses less digits than its factorization.
87723333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9747043 (or 9747040 counting only the distinct ones).
The product of its digits is 63504, while the sum is 36.
The square root of 87723333 is about 9366.0735102817. The cubic root of 87723333 is about 444.3293909524.
The spelling of 87723333 in words is "eighty-seven million, seven hundred twenty-three thousand, three hundred thirty-three".
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