Base | Representation |
---|---|
bin | 1010010110111… |
… | …00111111100100 |
3 | 20001111101111122 |
4 | 11023130333210 |
5 | 134220412140 |
6 | 12342153112 |
7 | 2103353003 |
oct | 513347744 |
9 | 201441448 |
10 | 86888420 |
11 | 45056613 |
12 | 25122798 |
13 | 15002888 |
14 | b77ac3a |
15 | 7964ab5 |
hex | 52dcfe4 |
86888420 has 24 divisors (see below), whose sum is σ = 183680448. Its totient is φ = 34524000.
The previous prime is 86888401. The next prime is 86888489. The reversal of 86888420 is 2488868.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11366 + ... + 17405.
It is an arithmetic number, because the mean of its divisors is an integer number (7653352).
Almost surely, 286888420 is an apocalyptic number.
It is an amenable number.
86888420 is an abundant number, since it is smaller than the sum of its proper divisors (96792028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86888420 is a wasteful number, since it uses less digits than its factorization.
86888420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28931 (or 28929 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 44.
The square root of 86888420 is about 9321.3958182238. The cubic root of 86888420 is about 442.9152495977.
The spelling of 86888420 in words is "eighty-six million, eight hundred eighty-eight thousand, four hundred twenty".
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