Base | Representation |
---|---|
bin | 1010010110110… |
… | …11000000000101 |
3 | 20001110222022110 |
4 | 11023123000011 |
5 | 134220132021 |
6 | 12342051233 |
7 | 2103320136 |
oct | 513330005 |
9 | 201428273 |
10 | 86880261 |
11 | 45050476 |
12 | 25119b19 |
13 | 14ccbc50 |
14 | b777c8d |
15 | 7962476 |
hex | 52db005 |
86880261 has 16 divisors (see below), whose sum is σ = 125596800. Its totient is φ = 53102400.
The previous prime is 86880239. The next prime is 86880263. The reversal of 86880261 is 16208868.
It is not a de Polignac number, because 86880261 - 213 = 86872069 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86880263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 13286.
It is an arithmetic number, because the mean of its divisors is an integer number (7849800).
Almost surely, 286880261 is an apocalyptic number.
It is an amenable number.
86880261 is a deficient number, since it is larger than the sum of its proper divisors (38716539).
86880261 is a wasteful number, since it uses less digits than its factorization.
86880261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15116.
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 86880261 is about 9320.9581589019. The cubic root of 86880261 is about 442.9013856151.
The spelling of 86880261 in words is "eighty-six million, eight hundred eighty thousand, two hundred sixty-one".
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