Base | Representation |
---|---|
bin | 1010010011000… |
… | …01000000011010 |
3 | 20000112120212101 |
4 | 11021201000122 |
5 | 134103134240 |
6 | 12323234014 |
7 | 2066136253 |
oct | 511410032 |
9 | 200476771 |
10 | 86380570 |
11 | 4483a001 |
12 | 24b1890a |
13 | 14b85683 |
14 | b687b2a |
15 | 78b439a |
hex | 526101a |
86380570 has 64 divisors (see below), whose sum is σ = 174928896. Its totient is φ = 30551040.
The previous prime is 86380549. The next prime is 86380573. The reversal of 86380570 is 7508368.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (86380573) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194769 + ... + 195211.
It is an arithmetic number, because the mean of its divisors is an integer number (2733264).
Almost surely, 286380570 is an apocalyptic number.
86380570 is an abundant number, since it is smaller than the sum of its proper divisors (88548326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86380570 is a wasteful number, since it uses less digits than its factorization.
86380570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 535.
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 86380570 is about 9294.1148045416. The cubic root of 86380570 is about 442.0506381246.
The spelling of 86380570 in words is "eighty-six million, three hundred eighty thousand, five hundred seventy".
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