Base | Representation |
---|---|
bin | 1010011010010… |
… | …11001000001010 |
3 | 20002100022022102 |
4 | 11031023020022 |
5 | 134324331110 |
6 | 12355553402 |
7 | 2110242125 |
oct | 515131012 |
9 | 202308272 |
10 | 87339530 |
11 | 45334533 |
12 | 252bb862 |
13 | 1512ccc5 |
14 | b8573bc |
15 | 7a035a5 |
hex | 534b20a |
87339530 has 16 divisors (see below), whose sum is σ = 157364424. Its totient is φ = 34901760.
The previous prime is 87339521. The next prime is 87339547. The reversal of 87339530 is 3593378.
It can be written as a sum of positive squares in 4 ways, for example, as 38800441 + 48539089 = 6229^2 + 6967^2 .
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 8270 + ... + 15590.
Almost surely, 287339530 is an apocalyptic number.
87339530 is a deficient number, since it is larger than the sum of its proper divisors (70024894).
87339530 is a wasteful number, since it uses less digits than its factorization.
87339530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8521.
The product of its (nonzero) digits is 68040, while the sum is 38.
The square root of 87339530 is about 9345.5620483735. The cubic root of 87339530 is about 443.6804405946.
The spelling of 87339530 in words is "eighty-seven million, three hundred thirty-nine thousand, five hundred thirty".
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