Base | Representation |
---|---|
bin | 1010011110010… |
… | …01001110110000 |
3 | 20010022112211201 |
4 | 11033021032300 |
5 | 134442343143 |
6 | 12415020544 |
7 | 2114523040 |
oct | 517111660 |
9 | 203275751 |
10 | 87856048 |
11 | 45657605 |
12 | 2550a754 |
13 | 15281137 |
14 | b94d720 |
15 | 7aa664d |
hex | 53c93b0 |
87856048 has 40 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 37565760.
The previous prime is 87856007. The next prime is 87856049. The reversal of 87856048 is 84065878.
It is a junction number, because it is equal to n+sod(n) for n = 87855989 and 87856007.
It is not an unprimeable number, because it can be changed into a prime (87856049) 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, 79983 + ... + 81073.
It is an arithmetic number, because the mean of its divisors is an integer number (4874688).
Almost surely, 287856048 is an apocalyptic number.
It is an amenable number.
87856048 is an abundant number, since it is smaller than the sum of its proper divisors (107131472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87856048 is a wasteful number, since it uses less digits than its factorization.
87856048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1825 (or 1819 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 46.
The square root of 87856048 is about 9373.1557119254. The cubic root of 87856048 is about 444.5533506079.
The spelling of 87856048 in words is "eighty-seven million, eight hundred fifty-six thousand, forty-eight".
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