Base | Representation |
---|---|
bin | 1010010111010… |
… | …10101010101100 |
3 | 20001121020100000 |
4 | 11023222222230 |
5 | 134224210203 |
6 | 12343304300 |
7 | 2104005204 |
oct | 513525254 |
9 | 201536300 |
10 | 86944428 |
11 | 450946aa |
12 | 2514b090 |
13 | 1502220c |
14 | b793404 |
15 | 79764a3 |
hex | 52eaaac |
86944428 has 36 divisors (see below), whose sum is σ = 227918600. Its totient is φ = 28981152.
The previous prime is 86944427. The next prime is 86944469. The reversal of 86944428 is 82444968.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (86944421) 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, 43753 + ... + 45696.
Almost surely, 286944428 is an apocalyptic number.
It is an amenable number.
86944428 is an abundant number, since it is smaller than the sum of its proper divisors (140974172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86944428 is a wasteful number, since it uses less digits than its factorization.
86944428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89468 (or 89454 counting only the distinct ones).
The product of its digits is 442368, while the sum is 45.
The square root of 86944428 is about 9324.3996053365. The cubic root of 86944428 is about 443.0103964120.
The spelling of 86944428 in words is "eighty-six million, nine hundred forty-four thousand, four hundred twenty-eight".
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