Base | Representation |
---|---|
bin | 1010011011011… |
… | …10111110110010 |
3 | 20002121202202112 |
4 | 11031232332302 |
5 | 134344031021 |
6 | 12403045322 |
7 | 2111423231 |
oct | 515567662 |
9 | 202552675 |
10 | 87486386 |
11 | 454248a9 |
12 | 25370842 |
13 | 15181ac0 |
14 | b894b18 |
15 | 7a31d5b |
hex | 536efb2 |
87486386 has 16 divisors (see below), whose sum is σ = 149638104. Its totient is φ = 38002944.
The previous prime is 87486367. The next prime is 87486397. The reversal of 87486386 is 68368478.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 41667025 + 45819361 = 6455^2 + 6769^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98525 + ... + 99408.
Almost surely, 287486386 is an apocalyptic number.
87486386 is a deficient number, since it is larger than the sum of its proper divisors (62151718).
87486386 is a wasteful number, since it uses less digits than its factorization.
87486386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197965.
The product of its digits is 1548288, while the sum is 50.
The square root of 87486386 is about 9353.4157397178. The cubic root of 87486386 is about 443.9289750579.
The spelling of 87486386 in words is "eighty-seven million, four hundred eighty-six thousand, three hundred eighty-six".
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