Base | Representation |
---|---|
bin | 1010011101100… |
… | …01010011100100 |
3 | 20010010120102020 |
4 | 11032301103210 |
5 | 134431224202 |
6 | 12412543140 |
7 | 2113634244 |
oct | 516612344 |
9 | 203116366 |
10 | 87758052 |
11 | 4559aa18 |
12 | 25481ab0 |
13 | 15248655 |
14 | b925b24 |
15 | 7a875bc |
hex | 53b14e4 |
87758052 has 24 divisors (see below), whose sum is σ = 205654176. Its totient is φ = 29126208.
The previous prime is 87758051. The next prime is 87758101. The reversal of 87758052 is 25085778.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 87757995 and 87758013.
It is not an unprimeable number, because it can be changed into a prime (87758051) 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 7 ways as a sum of consecutive naturals, for example, 12898 + ... + 18489.
It is an arithmetic number, because the mean of its divisors is an integer number (8568924).
Almost surely, 287758052 is an apocalyptic number.
It is an amenable number.
87758052 is an abundant number, since it is smaller than the sum of its proper divisors (117896124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87758052 is a wasteful number, since it uses less digits than its factorization.
87758052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31627 (or 31625 counting only the distinct ones).
The product of its (nonzero) digits is 156800, while the sum is 42.
The square root of 87758052 is about 9367.9267717035. The cubic root of 87758052 is about 444.3880018786.
The spelling of 87758052 in words is "eighty-seven million, seven hundred fifty-eight thousand, fifty-two".
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