Base | Representation |
---|---|
bin | 1010011110100… |
… | …00100110100110 |
3 | 20010101002021011 |
4 | 11033100212212 |
5 | 134444324441 |
6 | 12415412434 |
7 | 2115010060 |
oct | 517204646 |
9 | 203332234 |
10 | 87886246 |
11 | 45678268 |
12 | 2552411a |
13 | 15291ac6 |
14 | b95a730 |
15 | 7ab0581 |
hex | 53d09a6 |
87886246 has 16 divisors (see below), whose sum is σ = 150888960. Its totient is φ = 37608840.
The previous prime is 87886241. The next prime is 87886259. The reversal of 87886246 is 64268878.
It is a self number, because there is not a number n which added to its sum of digits gives 87886246.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87886241) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5701 + ... + 14431.
It is an arithmetic number, because the mean of its divisors is an integer number (9430560).
Almost surely, 287886246 is an apocalyptic number.
87886246 is a deficient number, since it is larger than the sum of its proper divisors (63002714).
87886246 is a wasteful number, since it uses less digits than its factorization.
87886246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9459.
The product of its digits is 1032192, while the sum is 49.
The square root of 87886246 is about 9374.7664504242. The cubic root of 87886246 is about 444.6042789335.
The spelling of 87886246 in words is "eighty-seven million, eight hundred eighty-six thousand, two hundred forty-six".
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