Base | Representation |
---|---|
bin | 1010011110011… |
… | …11101010011111 |
3 | 20010100212222200 |
4 | 11033033222133 |
5 | 134444214044 |
6 | 12415342543 |
7 | 2114662623 |
oct | 517175237 |
9 | 203325880 |
10 | 87882399 |
11 | 45675390 |
12 | 25521a53 |
13 | 15290127 |
14 | b959183 |
15 | 7aae369 |
hex | 53cfa9f |
87882399 has 12 divisors (see below), whose sum is σ = 138481512. Its totient is φ = 53262000.
The previous prime is 87882373. The next prime is 87882419. The reversal of 87882399 is 99328878.
It is not a de Polignac number, because 87882399 - 212 = 87878303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87882199) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443752 + ... + 443949.
It is an arithmetic number, because the mean of its divisors is an integer number (11540126).
Almost surely, 287882399 is an apocalyptic number.
87882399 is a deficient number, since it is larger than the sum of its proper divisors (50599113).
87882399 is a wasteful number, since it uses less digits than its factorization.
87882399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 887718 (or 887715 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 54.
The square root of 87882399 is about 9374.5612697342. The cubic root of 87882399 is about 444.5977916931.
The spelling of 87882399 in words is "eighty-seven million, eight hundred eighty-two thousand, three hundred ninety-nine".
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