Base | Representation |
---|---|
bin | 1010011101011… |
… | …11000101101000 |
3 | 20010010002221210 |
4 | 11032233011220 |
5 | 134430431333 |
6 | 12412433120 |
7 | 2113565616 |
oct | 516570550 |
9 | 203102853 |
10 | 87748968 |
11 | 4559410a |
12 | 254787a0 |
13 | 15244488 |
14 | b9226b6 |
15 | 7a84a63 |
hex | 53af168 |
87748968 has 64 divisors (see below), whose sum is σ = 233280000. Its totient is φ = 27410432.
The previous prime is 87748949. The next prime is 87749009. The reversal of 87748968 is 86984778.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182953 + ... + 183431.
It is an arithmetic number, because the mean of its divisors is an integer number (3645000).
Almost surely, 287748968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87748968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116640000).
87748968 is an abundant number, since it is smaller than the sum of its proper divisors (145531032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87748968 is a wasteful number, since it uses less digits than its factorization.
87748968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 954 (or 950 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 57.
The square root of 87748968 is about 9367.4419133507. The cubic root of 87748968 is about 444.3726682053.
The spelling of 87748968 in words is "eighty-seven million, seven hundred forty-eight thousand, nine hundred sixty-eight".
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