Base | Representation |
---|---|
bin | 1010010010001… |
… | …10010110111100 |
3 | 20000100001010210 |
4 | 11021012112330 |
5 | 134041141140 |
6 | 12321032420 |
7 | 2065203114 |
oct | 511062674 |
9 | 200301123 |
10 | 86271420 |
11 | 44774aa4 |
12 | 24a85710 |
13 | 14b47aa1 |
14 | b65a044 |
15 | 7891d80 |
hex | 52465bc |
86271420 has 48 divisors (see below), whose sum is σ = 248095008. Its totient is φ = 22383360.
The previous prime is 86271403. The next prime is 86271431. The reversal of 86271420 is 2417268.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 17211 + ... + 21650.
It is an arithmetic number, because the mean of its divisors is an integer number (5168646).
Almost surely, 286271420 is an apocalyptic number.
It is an amenable number.
86271420 is an abundant number, since it is smaller than the sum of its proper divisors (161823588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86271420 is a wasteful number, since it uses less digits than its factorization.
86271420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38910 (or 38908 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 86271420 is about 9288.2409529469. The cubic root of 86271420 is about 441.8643687503.
Adding to 86271420 its reverse (2417268), we get a palindrome (88688688).
The spelling of 86271420 in words is "eighty-six million, two hundred seventy-one thousand, four hundred twenty".
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